Most Common Car Issues

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Engine Number of Cylinders

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MOST COMMON PROBLEMS

AUDI S4 2007

The 2007 Audi S4 is a high-performance sedan powered by a robust 4.2L V8 engine delivering 344 hp. Manufactured in Ingolstadt, Germany, this model features comprehensive safety systems, including curtain and side airbags for all rows. With its luxurious design and advanced emissions standards, this S4 combines power, safety, and environmental consciousness.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV II emission std. Emissions Certification Test Group: 7ADXV04.2345

Problems:

Oil leaks

Common in older Audi models, often due to worn gaskets or seals.

Timing chain issues

The V8 engines in these models can have timing chain tensioner problems leading to rattling noises and potential engine damage.

Carbon buildup

Direct injection engines like the one in the 2007 Audi S4 are prone to carbon buildup on the intake valves, causing reduced performance and efficiency.

Cooling system problems

Radiator and thermostat issues can lead to overheating, which is a known problem in this model.

Fuel pump failures

The fuel pump in this model can fail, causing starting issues or stalling.

Electrical issues

Wiring and electronic component failures are common, leading to various electrical problems.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, leading to increased oil consumption and rough idling.

AUDI S4 2008

The 2008 Audi S4 Avant is a high-performance wagon powered by a 4.2L V8 engine producing 344 hp. It features comprehensive safety with front, side, and curtain airbags, as well as advanced seat belts. Manufactured in Ingolstadt, Germany, it offers a blend of luxury and practicality with its spacious 4-door design.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 5 / LEV II emission std. Emissions Certification Test Group: 8ADXV04.2355

Problems:

Oil leaks

Due to the age of the vehicle, the gaskets and seals may become worn, leading to oil leaks, especially around the valve covers and oil pan.

Carbon build-up

The direct injection system in the 4.2 V8 engine is prone to carbon deposits on intake valves over time, affecting performance and fuel efficiency.

Timing chain issues

The timing chain tensioners can wear out, leading to a rattling noise and, if not addressed, potential engine damage.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, causing a range of issues from oil leaks to increased oil consumption and poor performance.

Ignition coil failure

The ignition coils are known to fail, leading to misfires, rough idling, and a drop in engine performance.

Coolant leaks

Aging hoses and the water pump can develop leaks, potentially leading to overheating issues if not addressed promptly.

Fuel injector problems

The fuel injectors can become clogged or fail, leading to poor engine performance and reduced fuel efficiency.

Sensor failures

With the complexity of the engine management system, various sensors (such as oxygen sensors and MAF sensors) can fail, leading to check engine lights and performance issues.

AUDI S4 2006

The 2006 Audi S4 is a high-performance sedan featuring a robust 4.2L V8 engine with 344 horsepower. Manufactured by Audi Sport GmbH in Ingolstadt, Germany, this model includes advanced safety features such as front, side, and curtain airbags. With its sleek design and powerful engine, the S4 offers a thrilling driving experience for enthusiasts.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 6ADXV04.2345

Problems:

Oil leaks

Common in older engines like the 2006 Audi S4, often due to worn-out gaskets or seals.

Timing chain issues

The timing chain can stretch over time, leading to poor engine performance or failure.

Carbon build-up

Direct injection engines can suffer from carbon deposits on intake valves, affecting performance.

Cooling system failures

Radiator or water pump failures can cause the engine to overheat.

Fuel injector problems

Clogged or failing fuel injectors can lead to poor fuel economy and performance issues.

Ignition coil failures

Faulty ignition coils can cause misfires and reduced engine performance.

Pcv valve issues

A failing Positive Crankcase Ventilation (PCV) valve can lead to oil leaks and increased emissions.

Turbocharger wear

If equipped with a turbocharger, it may wear out over time, leading to reduced boost and performance.

AUDI S4 2005

The 2005 Audi S4 Avant Wagon is a high-performance vehicle powered by a 4.2L V8 engine producing 344 horsepower. It features comprehensive safety equipment, including curtain and side airbags for the 1st and 2nd rows, and front airbags for the driver and passenger. Manufactured in Ingolstadt, Germany, this passenger car offers a blend of luxury and practicality with its spacious wagon body and advanced emission standards.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 5ADXV04.2345

Problems:

Oil leaks

The 2005 Audi S4 is known for developing oil leaks, particularly from the valve cover gaskets and camshaft tensioner seals.

Timing chain tensioner failure

The timing chain tensioner in this model can fail, leading to potential engine damage if not addressed promptly.

Carbon buildup

The 4.2L V8 engine can suffer from carbon buildup on the intake valves, which can affect performance and fuel efficiency.

Cooling system issues

Problems with the cooling system, such as leaks or failures of the water pump and thermostat, are common in this vehicle.

Coil pack failure

Ignition coil packs may fail, causing misfires and poor engine performance.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, leading to oil consumption issues and rough idling.

Fuel injector problems

Fuel injectors can become clogged or fail, affecting engine performance and efficiency.

AUDI S4 2006

The 2006 Audi S4 Sedan, manufactured by AUDI SPORT GMBH in Ingolstadt, Germany, boasts a robust 4.163L V8 engine producing 344 hp. This luxury sedan features comprehensive safety with advanced front airbags, side airbags for the 1st row, and curtain airbags for both the 1st and 2nd rows. It runs on gasoline and maintains a lightweight classification with a gross vehicle weight rating of 6,000 lbs or less.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 6ADXV04.2345

Problems:

Oil leaks

Common in older engines like the 2006 Audi S4, often due to worn-out gaskets or seals.

Timing chain issues

The timing chain can stretch over time, leading to poor engine performance or failure.

Carbon build-up

Direct injection engines can suffer from carbon deposits on intake valves, affecting performance.

Cooling system failures

Radiator or water pump failures can cause the engine to overheat.

Fuel injector problems

Clogged or failing fuel injectors can lead to poor fuel economy and performance issues.

Ignition coil failures

Faulty ignition coils can cause misfires and reduced engine performance.

Pcv valve issues

A failing Positive Crankcase Ventilation (PCV) valve can lead to oil leaks and increased emissions.

Turbocharger wear

If equipped with a turbocharger, it may wear out over time, leading to reduced boost and performance.

AUDI S4 2006

The 2006 Audi S4 Sedan boasts a robust 4.2L V8 engine producing 344 hp. It features advanced safety with curtain airbags for the 1st and 2nd rows and side airbags for the front passengers. Manufactured in Ingolstadt, Germany, this sedan is designed for performance and luxury.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 6ADXV04.2345

Problems:

Oil leaks

Common in older engines like the 2006 Audi S4, often due to worn-out gaskets or seals.

Timing chain issues

The timing chain can stretch over time, leading to poor engine performance or failure.

Carbon build-up

Direct injection engines can suffer from carbon deposits on intake valves, affecting performance.

Cooling system failures

Radiator or water pump failures can cause the engine to overheat.

Fuel injector problems

Clogged or failing fuel injectors can lead to poor fuel economy and performance issues.

Ignition coil failures

Faulty ignition coils can cause misfires and reduced engine performance.

Pcv valve issues

A failing Positive Crankcase Ventilation (PCV) valve can lead to oil leaks and increased emissions.

Turbocharger wear

If equipped with a turbocharger, it may wear out over time, leading to reduced boost and performance.

AUDI S4 2005

The 2005 Audi S4 is a powerful sedan with a 4.2L V8 engine producing 344 hp. Designed for the U.S. market, it features advanced safety systems including curtain and side airbags for both rows. Produced in Ingolstadt, Germany, this model meets LEV emission standards. Equipped with a direct TPMS and manual seat belts, it ensures a secure and efficient drive.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 5ADXV04.2345

Problems:

Oil leaks

The 2005 Audi S4 is known for developing oil leaks, particularly from the valve cover gaskets and camshaft tensioner seals.

Timing chain tensioner failure

The timing chain tensioner in this model can fail, leading to potential engine damage if not addressed promptly.

Carbon buildup

The 4.2L V8 engine can suffer from carbon buildup on the intake valves, which can affect performance and fuel efficiency.

Cooling system issues

Problems with the cooling system, such as leaks or failures of the water pump and thermostat, are common in this vehicle.

Coil pack failure

Ignition coil packs may fail, causing misfires and poor engine performance.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, leading to oil consumption issues and rough idling.

Fuel injector problems

Fuel injectors can become clogged or fail, affecting engine performance and efficiency.

AUDI S4 2005

The 2005 Audi S4 Avant is a high-performance wagon boasting a 4.2L V8 engine with 344 hp. It features comprehensive safety measures, including curtain and side airbags for both the 1st and 2nd rows. Manufactured in Ingolstadt, Germany, this model adheres to LEV emission standards and includes a direct TPMS. It’s a versatile and powerful vehicle designed for safety and performance.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 5ADXV04.2345

Problems:

Oil leaks

The 2005 Audi S4 is known for developing oil leaks, particularly from the valve cover gaskets and camshaft tensioner seals.

Timing chain tensioner failure

The timing chain tensioner in this model can fail, leading to potential engine damage if not addressed promptly.

Carbon buildup

The 4.2L V8 engine can suffer from carbon buildup on the intake valves, which can affect performance and fuel efficiency.

Cooling system issues

Problems with the cooling system, such as leaks or failures of the water pump and thermostat, are common in this vehicle.

Coil pack failure

Ignition coil packs may fail, causing misfires and poor engine performance.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, leading to oil consumption issues and rough idling.

Fuel injector problems

Fuel injectors can become clogged or fail, affecting engine performance and efficiency.

AUDI S4 2006

The 2006 Audi S4 Avant is a high-performance wagon featuring a robust 4.2L V8 engine producing 344 hp. Manufactured in Ingolstadt, Germany, it offers advanced safety with curtain and side airbags covering all rows. This gasoline-powered vehicle combines luxury and practicality, making it a standout in its class.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 6ADXV04.2345

Problems:

Oil leaks

Common in older engines like the 2006 Audi S4, often due to worn-out gaskets or seals.

Timing chain issues

The timing chain can stretch over time, leading to poor engine performance or failure.

Carbon build-up

Direct injection engines can suffer from carbon deposits on intake valves, affecting performance.

Cooling system failures

Radiator or water pump failures can cause the engine to overheat.

Fuel injector problems

Clogged or failing fuel injectors can lead to poor fuel economy and performance issues.

Ignition coil failures

Faulty ignition coils can cause misfires and reduced engine performance.

Pcv valve issues

A failing Positive Crankcase Ventilation (PCV) valve can lead to oil leaks and increased emissions.

Turbocharger wear

If equipped with a turbocharger, it may wear out over time, leading to reduced boost and performance.

AUDI S4 2006

The 2006 Audi S4 Avant is a powerful wagon featuring a 4.2L V8 engine that produces 344 horsepower. It boasts advanced safety with curtain airbags in the first and second rows, alongside front and side airbags for the driver and passenger. Manufactured in Ingolstadt, Germany, this gasoline-powered vehicle offers both performance and safety in a stylish package.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 6ADXV04.2345

Problems:

Oil leaks

Common in older engines like the 2006 Audi S4, often due to worn-out gaskets or seals.

Timing chain issues

The timing chain can stretch over time, leading to poor engine performance or failure.

Carbon build-up

Direct injection engines can suffer from carbon deposits on intake valves, affecting performance.

Cooling system failures

Radiator or water pump failures can cause the engine to overheat.

Fuel injector problems

Clogged or failing fuel injectors can lead to poor fuel economy and performance issues.

Ignition coil failures

Faulty ignition coils can cause misfires and reduced engine performance.

Pcv valve issues

A failing Positive Crankcase Ventilation (PCV) valve can lead to oil leaks and increased emissions.

Turbocharger wear

If equipped with a turbocharger, it may wear out over time, leading to reduced boost and performance.

AUDI S4 2006

The 2006 Audi S4 is a powerful sedan equipped with a 4.2L V8 engine, delivering 344 hp. It features advanced safety with curtain and side airbags for the 1st and 2nd rows. Manufactured in Ingolstadt, Germany, this model meets stringent emission standards and offers a luxurious yet robust driving experience.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 6ADXV04.2345

Problems:

Oil leaks

Common in older engines like the 2006 Audi S4, often due to worn-out gaskets or seals.

Timing chain issues

The timing chain can stretch over time, leading to poor engine performance or failure.

Carbon build-up

Direct injection engines can suffer from carbon deposits on intake valves, affecting performance.

Cooling system failures

Radiator or water pump failures can cause the engine to overheat.

Fuel injector problems

Clogged or failing fuel injectors can lead to poor fuel economy and performance issues.

Ignition coil failures

Faulty ignition coils can cause misfires and reduced engine performance.

Pcv valve issues

A failing Positive Crankcase Ventilation (PCV) valve can lead to oil leaks and increased emissions.

Turbocharger wear

If equipped with a turbocharger, it may wear out over time, leading to reduced boost and performance.

AUDI S4 2005

The 2005 Audi S4 Avant Wagon boasts a 4.2L V8 engine producing 344 hp. It offers comprehensive safety features, including curtain airbags for the 1st and 2nd rows and direct TPMS. Manufactured in Ingolstadt, Germany, this gasoline-powered vehicle combines performance and practicality with its spacious design and advanced emissions standards.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 5ADXV04.2345

Problems:

Oil leaks

The 2005 Audi S4 is known for developing oil leaks, particularly from the valve cover gaskets and camshaft tensioner seals.

Timing chain tensioner failure

The timing chain tensioner in this model can fail, leading to potential engine damage if not addressed promptly.

Carbon buildup

The 4.2L V8 engine can suffer from carbon buildup on the intake valves, which can affect performance and fuel efficiency.

Cooling system issues

Problems with the cooling system, such as leaks or failures of the water pump and thermostat, are common in this vehicle.

Coil pack failure

Ignition coil packs may fail, causing misfires and poor engine performance.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, leading to oil consumption issues and rough idling.

Fuel injector problems

Fuel injectors can become clogged or fail, affecting engine performance and efficiency.

AUDI S4 2008

The 2008 Audi S4 is a powerful sedan boasting a 4.2L V8 engine with 344 hp. Safety features include front, side, and curtain airbags for both the first and second rows, as well as a direct Tire Pressure Monitoring System (TPMS). Built in Ingolstadt, Germany, this passenger car offers advanced emissions standards and active seat belts. Ideal for those seeking a blend of performance and safety in a luxury vehicle.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 5 / LEV II emission std. Emissions Certification Test Group: 8ADXV04.2355

Problems:

Oil leaks

Due to the age of the vehicle, the gaskets and seals may become worn, leading to oil leaks, especially around the valve covers and oil pan.

Carbon build-up

The direct injection system in the 4.2 V8 engine is prone to carbon deposits on intake valves over time, affecting performance and fuel efficiency.

Timing chain issues

The timing chain tensioners can wear out, leading to a rattling noise and, if not addressed, potential engine damage.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, causing a range of issues from oil leaks to increased oil consumption and poor performance.

Ignition coil failure

The ignition coils are known to fail, leading to misfires, rough idling, and a drop in engine performance.

Coolant leaks

Aging hoses and the water pump can develop leaks, potentially leading to overheating issues if not addressed promptly.

Fuel injector problems

The fuel injectors can become clogged or fail, leading to poor engine performance and reduced fuel efficiency.

Sensor failures

With the complexity of the engine management system, various sensors (such as oxygen sensors and MAF sensors) can fail, leading to check engine lights and performance issues.

AUDI S4 2007

The 2007 Audi S4 Avant is a powerful wagon featuring a 4.2L V8 engine producing 344 horsepower. It is equipped with curtain and side airbags, active seat belts, and a direct TPMS for enhanced safety. This German-engineered vehicle offers luxurious performance and practical versatility.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV II emission std. Emissions Certification Test Group: 7ADXV04.2345

Problems:

Oil leaks

Common in older Audi models, often due to worn gaskets or seals.

Timing chain issues

The V8 engines in these models can have timing chain tensioner problems leading to rattling noises and potential engine damage.

Carbon buildup

Direct injection engines like the one in the 2007 Audi S4 are prone to carbon buildup on the intake valves, causing reduced performance and efficiency.

Cooling system problems

Radiator and thermostat issues can lead to overheating, which is a known problem in this model.

Fuel pump failures

The fuel pump in this model can fail, causing starting issues or stalling.

Electrical issues

Wiring and electronic component failures are common, leading to various electrical problems.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, leading to increased oil consumption and rough idling.

AUDI S4 2005

The 2005 Audi S4 Avant is a powerful wagon featuring a 4.2L V8 engine producing 344 hp. It offers comprehensive safety with curtain and side airbags for both the 1st and 2nd rows and a direct TPMS. Built in Ingolstadt, Germany, this model blends performance with practicality, making it a standout in its class.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 5ADXV04.2345

Problems:

Oil leaks

The 2005 Audi S4 is known for developing oil leaks, particularly from the valve cover gaskets and camshaft tensioner seals.

Timing chain tensioner failure

The timing chain tensioner in this model can fail, leading to potential engine damage if not addressed promptly.

Carbon buildup

The 4.2L V8 engine can suffer from carbon buildup on the intake valves, which can affect performance and fuel efficiency.

Cooling system issues

Problems with the cooling system, such as leaks or failures of the water pump and thermostat, are common in this vehicle.

Coil pack failure

Ignition coil packs may fail, causing misfires and poor engine performance.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, leading to oil consumption issues and rough idling.

Fuel injector problems

Fuel injectors can become clogged or fail, affecting engine performance and efficiency.

AUDI S4 2005

The 2005 Audi S4 Avant is a robust wagon powered by a 4.2L V8 engine delivering 344 hp. Manufactured in Ingolstadt, Germany, this vehicle is designed for the U.S. market and features advanced safety systems including curtain and side airbags for both the first and second rows. With its luxurious build and high performance, it's a standout in the passenger car category.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 5ADXV04.2345

Problems:

Oil leaks

The 2005 Audi S4 is known for developing oil leaks, particularly from the valve cover gaskets and camshaft tensioner seals.

Timing chain tensioner failure

The timing chain tensioner in this model can fail, leading to potential engine damage if not addressed promptly.

Carbon buildup

The 4.2L V8 engine can suffer from carbon buildup on the intake valves, which can affect performance and fuel efficiency.

Cooling system issues

Problems with the cooling system, such as leaks or failures of the water pump and thermostat, are common in this vehicle.

Coil pack failure

Ignition coil packs may fail, causing misfires and poor engine performance.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, leading to oil consumption issues and rough idling.

Fuel injector problems

Fuel injectors can become clogged or fail, affecting engine performance and efficiency.

AUDI S4 2007

The 2007 Audi S4 Avant is a high-performance wagon powered by a 4.2L V8 engine with 344 hp. It features comprehensive safety systems, including curtain and side airbags for the 1st and 2nd rows, and a direct TPMS. Built in Ingolstadt, Germany, this model adheres to stringent emission standards and offers a luxurious yet practical driving experience.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV II emission std. Emissions Certification Test Group: 7ADXV04.2345

Problems:

Oil leaks

Common in older Audi models, often due to worn gaskets or seals.

Timing chain issues

The V8 engines in these models can have timing chain tensioner problems leading to rattling noises and potential engine damage.

Carbon buildup

Direct injection engines like the one in the 2007 Audi S4 are prone to carbon buildup on the intake valves, causing reduced performance and efficiency.

Cooling system problems

Radiator and thermostat issues can lead to overheating, which is a known problem in this model.

Fuel pump failures

The fuel pump in this model can fail, causing starting issues or stalling.

Electrical issues

Wiring and electronic component failures are common, leading to various electrical problems.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, leading to increased oil consumption and rough idling.

AUDI S4 2005

The 2005 Audi S4 Cabriolet is a stunning convertible that packs a powerful 4.2L V8 engine, delivering 344 horsepower. Manufactured by Audi Sport GmbH in Germany, this vehicle combines luxury and performance with top-tier safety features like front and side airbags for both driver and passenger. Embrace the thrill of open-top driving with this elegant yet muscular two-door masterpiece.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 5ADXV04.2345

Problems:

Oil leaks

The 2005 Audi S4 is known for developing oil leaks, particularly from the valve cover gaskets and camshaft tensioner seals.

Timing chain tensioner failure

The timing chain tensioner in this model can fail, leading to potential engine damage if not addressed promptly.

Carbon buildup

The 4.2L V8 engine can suffer from carbon buildup on the intake valves, which can affect performance and fuel efficiency.

Cooling system issues

Problems with the cooling system, such as leaks or failures of the water pump and thermostat, are common in this vehicle.

Coil pack failure

Ignition coil packs may fail, causing misfires and poor engine performance.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, leading to oil consumption issues and rough idling.

Fuel injector problems

Fuel injectors can become clogged or fail, affecting engine performance and efficiency.

AUDI S4 2006

The 2006 Audi S4 Avant is a powerful wagon featuring a 4.2L V8 engine, delivering 344 hp. It offers advanced safety with curtain airbags in both the 1st and 2nd rows and side airbags for all rows. Manufactured in Ingolstadt, Germany, this model boasts a high level of engineering and luxury typical of Audi vehicles.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 6ADXV04.2345

Problems:

Oil leaks

Common in older engines like the 2006 Audi S4, often due to worn-out gaskets or seals.

Timing chain issues

The timing chain can stretch over time, leading to poor engine performance or failure.

Carbon build-up

Direct injection engines can suffer from carbon deposits on intake valves, affecting performance.

Cooling system failures

Radiator or water pump failures can cause the engine to overheat.

Fuel injector problems

Clogged or failing fuel injectors can lead to poor fuel economy and performance issues.

Ignition coil failures

Faulty ignition coils can cause misfires and reduced engine performance.

Pcv valve issues

A failing Positive Crankcase Ventilation (PCV) valve can lead to oil leaks and increased emissions.

Turbocharger wear

If equipped with a turbocharger, it may wear out over time, leading to reduced boost and performance.

AUDI S4 2007

The 2007 Audi S4 is a high-performance sedan featuring a robust 4.2L V8 engine with 344 horsepower. Manufactured in Ingolstadt, Germany, this luxury vehicle offers advanced safety with curtain and side airbags. It also adheres to stringent emission standards and includes a direct TPMS for tire safety.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV II emission std. Emissions Certification Test Group: 7ADXV04.2345

Problems:

Oil leaks

Common in older Audi models, often due to worn gaskets or seals.

Timing chain issues

The V8 engines in these models can have timing chain tensioner problems leading to rattling noises and potential engine damage.

Carbon buildup

Direct injection engines like the one in the 2007 Audi S4 are prone to carbon buildup on the intake valves, causing reduced performance and efficiency.

Cooling system problems

Radiator and thermostat issues can lead to overheating, which is a known problem in this model.

Fuel pump failures

The fuel pump in this model can fail, causing starting issues or stalling.

Electrical issues

Wiring and electronic component failures are common, leading to various electrical problems.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, leading to increased oil consumption and rough idling.

AUDI S4 2008

The 2008 Audi S4 Cabriolet is a stylish convertible powered by a robust 4.2L V8 engine, delivering 344 horsepower. Manufactured by AUDI SPORT GMBH in Germany, this two-door vehicle features advanced safety options, including front and side airbags and a direct TPMS. With its luxurious design and powerful performance, it's a standout in the world of convertible sports cars.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 5 / LEV II emission std. Emissions Certification Test Group: 8ADXV04.2355

Problems:

Oil leaks

Due to the age of the vehicle, the gaskets and seals may become worn, leading to oil leaks, especially around the valve covers and oil pan.

Carbon build-up

The direct injection system in the 4.2 V8 engine is prone to carbon deposits on intake valves over time, affecting performance and fuel efficiency.

Timing chain issues

The timing chain tensioners can wear out, leading to a rattling noise and, if not addressed, potential engine damage.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, causing a range of issues from oil leaks to increased oil consumption and poor performance.

Ignition coil failure

The ignition coils are known to fail, leading to misfires, rough idling, and a drop in engine performance.

Coolant leaks

Aging hoses and the water pump can develop leaks, potentially leading to overheating issues if not addressed promptly.

Fuel injector problems

The fuel injectors can become clogged or fail, leading to poor engine performance and reduced fuel efficiency.

Sensor failures

With the complexity of the engine management system, various sensors (such as oxygen sensors and MAF sensors) can fail, leading to check engine lights and performance issues.

AUDI S4 2005

The 2005 Audi S4 is a German-engineered sedan featuring a powerful 4.2L V8 engine that delivers 344 horsepower. It offers advanced safety with front, side, and curtain airbags for both the 1st and 2nd rows. This passenger car combines luxury and performance, making it a standout in its class.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 5ADXV04.2345

Problems:

Oil leaks

The 2005 Audi S4 is known for developing oil leaks, particularly from the valve cover gaskets and camshaft tensioner seals.

Timing chain tensioner failure

The timing chain tensioner in this model can fail, leading to potential engine damage if not addressed promptly.

Carbon buildup

The 4.2L V8 engine can suffer from carbon buildup on the intake valves, which can affect performance and fuel efficiency.

Cooling system issues

Problems with the cooling system, such as leaks or failures of the water pump and thermostat, are common in this vehicle.

Coil pack failure

Ignition coil packs may fail, causing misfires and poor engine performance.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, leading to oil consumption issues and rough idling.

Fuel injector problems

Fuel injectors can become clogged or fail, affecting engine performance and efficiency.

AUDI S4 2005

The 2005 Audi S4 is a high-performance sedan powered by a 4.2L V8 engine producing 344 hp. Designed for the U.S. market, it features comprehensive safety systems, including front, side, and curtain airbags across the first and second rows. Manufactured in Ingolstadt, Germany, this model meets stringent emissions standards and includes a direct TPMS. Ideal for those seeking luxury, power, and safety in a sleek four-door package.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 5ADXV04.2345

Problems:

Oil leaks

The 2005 Audi S4 is known for developing oil leaks, particularly from the valve cover gaskets and camshaft tensioner seals.

Timing chain tensioner failure

The timing chain tensioner in this model can fail, leading to potential engine damage if not addressed promptly.

Carbon buildup

The 4.2L V8 engine can suffer from carbon buildup on the intake valves, which can affect performance and fuel efficiency.

Cooling system issues

Problems with the cooling system, such as leaks or failures of the water pump and thermostat, are common in this vehicle.

Coil pack failure

Ignition coil packs may fail, causing misfires and poor engine performance.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, leading to oil consumption issues and rough idling.

Fuel injector problems

Fuel injectors can become clogged or fail, affecting engine performance and efficiency.

AUDI S4 2006

The 2006 Audi S4 is a high-performance sedan powered by a 4.2L V8 engine producing 344 horsepower. It features advanced safety with front, side, and curtain airbags for the 1st and 2nd rows. Manufactured in Ingolstadt, Germany, this model meets LEV emission standards and offers a blend of luxury, power, and safety.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 6ADXV04.2345

Problems:

Oil leaks

Common in older engines like the 2006 Audi S4, often due to worn-out gaskets or seals.

Timing chain issues

The timing chain can stretch over time, leading to poor engine performance or failure.

Carbon build-up

Direct injection engines can suffer from carbon deposits on intake valves, affecting performance.

Cooling system failures

Radiator or water pump failures can cause the engine to overheat.

Fuel injector problems

Clogged or failing fuel injectors can lead to poor fuel economy and performance issues.

Ignition coil failures

Faulty ignition coils can cause misfires and reduced engine performance.

Pcv valve issues

A failing Positive Crankcase Ventilation (PCV) valve can lead to oil leaks and increased emissions.

Turbocharger wear

If equipped with a turbocharger, it may wear out over time, leading to reduced boost and performance.

AUDI S4 2005

The 2005 Audi S4 Avant is a robust wagon powered by a 4.2L V8 engine producing 344 hp. It features comprehensive safety with curtain and side airbags in the 1st and 2nd rows and front airbags for the driver and passenger. Manufactured in Ingolstadt, Germany, this model adheres to stringent emission standards. Equipped with a direct TPMS and manual seat belts, it ensures both performance and safety.

Spec:

Engine Brake (hp) From

344

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

50-St/Can. BIN 9 / LEV emission std. Emissions Certification Test Group: 5ADXV04.2345

Problems:

Oil leaks

The 2005 Audi S4 is known for developing oil leaks, particularly from the valve cover gaskets and camshaft tensioner seals.

Timing chain tensioner failure

The timing chain tensioner in this model can fail, leading to potential engine damage if not addressed promptly.

Carbon buildup

The 4.2L V8 engine can suffer from carbon buildup on the intake valves, which can affect performance and fuel efficiency.

Cooling system issues

Problems with the cooling system, such as leaks or failures of the water pump and thermostat, are common in this vehicle.

Coil pack failure

Ignition coil packs may fail, causing misfires and poor engine performance.

Pcv valve failure

The Positive Crankcase Ventilation (PCV) valve can fail, leading to oil consumption issues and rough idling.

Fuel injector problems

Fuel injectors can become clogged or fail, affecting engine performance and efficiency.