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

Can lead to engine misfires and other performance problems if not properly maintained.

May cause engine misfires, poor fuel efficiency, and difficulty starting.

Particularly in direct injection engines, leading to reduced performance and fuel efficiency.

Can cause engine overheating and potential engine damage if not addressed.

Can result in poor engine performance and reduced fuel economy.

May cause rough idling, increased oil consumption, and engine warning lights.

Can lead to poor engine performance, misfires, and increased emissions.

The 2002 Audi S6 is known for developing oil leaks, especially from the valve cover gaskets and camshaft seals.

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

These vehicles often experience ignition coil failures, resulting in misfires, rough idling, and a decrease in engine performance.

Direct injection engines like the one in the Audi S6 are prone to carbon build-up on the intake valves, leading to reduced performance and fuel efficiency.

The 2002 S6 can have issues with coolant leaks from the radiator, water pump, or coolant hoses, which can lead to overheating.

Vacuum leaks are common and can cause rough idling, stalling, and poor fuel economy.

The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture readings and poor engine performance.

Problems with the secondary air injection system can cause the check engine light to come on and affect emissions control.

The 2002 Audi S6 is known for developing oil leaks, especially from the valve cover gaskets and camshaft seals.

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

These vehicles often experience ignition coil failures, resulting in misfires, rough idling, and a decrease in engine performance.

Direct injection engines like the one in the Audi S6 are prone to carbon build-up on the intake valves, leading to reduced performance and fuel efficiency.

The 2002 S6 can have issues with coolant leaks from the radiator, water pump, or coolant hoses, which can lead to overheating.

Vacuum leaks are common and can cause rough idling, stalling, and poor fuel economy.

The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture readings and poor engine performance.

Problems with the secondary air injection system can cause the check engine light to come on and affect emissions control.

The 2002 Audi S6 is known for developing oil leaks, especially from the valve cover gaskets and camshaft seals.

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

These vehicles often experience ignition coil failures, resulting in misfires, rough idling, and a decrease in engine performance.

Direct injection engines like the one in the Audi S6 are prone to carbon build-up on the intake valves, leading to reduced performance and fuel efficiency.

The 2002 S6 can have issues with coolant leaks from the radiator, water pump, or coolant hoses, which can lead to overheating.

Vacuum leaks are common and can cause rough idling, stalling, and poor fuel economy.

The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture readings and poor engine performance.

Problems with the secondary air injection system can cause the check engine light to come on and affect emissions control.

The 2002 Audi S6 is known for developing oil leaks, especially from the valve cover gaskets and camshaft seals.

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

These vehicles often experience ignition coil failures, resulting in misfires, rough idling, and a decrease in engine performance.

Direct injection engines like the one in the Audi S6 are prone to carbon build-up on the intake valves, leading to reduced performance and fuel efficiency.

The 2002 S6 can have issues with coolant leaks from the radiator, water pump, or coolant hoses, which can lead to overheating.

Vacuum leaks are common and can cause rough idling, stalling, and poor fuel economy.

The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture readings and poor engine performance.

Problems with the secondary air injection system can cause the check engine light to come on and affect emissions control.

Can be caused by faulty spark plugs, ignition coils, or fuel injectors, leading to rough idling and poor performance.

Often due to worn gaskets, seals, or oil pan damage, resulting in oil spots under the vehicle and potential engine damage.

Stretching or failure of the timing chain can lead to engine misalignment, poor performance, or complete engine failure.

Direct injection engines, like those in many Audi models, are prone to carbon buildup on intake valves, affecting performance and fuel economy.

Common in performance models, turbo failure can result from oil starvation, bearing wear, or foreign object damage, leading to loss of power.

Faulty water pumps, thermostats, or radiator issues can cause overheating and potential engine damage.

Issues with the vehicle's numerous sensors, wiring, or control modules can cause a variety of engine performance problems.

Clogged fuel filters or failing fuel pumps can restrict fuel flow, causing poor engine performance or stalling.

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

Can lead to engine misfires and other performance problems if not properly maintained.

May cause engine misfires, poor fuel efficiency, and difficulty starting.

Particularly in direct injection engines, leading to reduced performance and fuel efficiency.

Can cause engine overheating and potential engine damage if not addressed.

Can result in poor engine performance and reduced fuel economy.

May cause rough idling, increased oil consumption, and engine warning lights.

Can lead to poor engine performance, misfires, and increased emissions.

The 2002 Audi S6 is known for developing oil leaks, especially from the valve cover gaskets and camshaft seals.

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

These vehicles often experience ignition coil failures, resulting in misfires, rough idling, and a decrease in engine performance.

Direct injection engines like the one in the Audi S6 are prone to carbon build-up on the intake valves, leading to reduced performance and fuel efficiency.

The 2002 S6 can have issues with coolant leaks from the radiator, water pump, or coolant hoses, which can lead to overheating.

Vacuum leaks are common and can cause rough idling, stalling, and poor fuel economy.

The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture readings and poor engine performance.

Problems with the secondary air injection system can cause the check engine light to come on and affect emissions control.

The 2002 Audi S6 is known for developing oil leaks, especially from the valve cover gaskets and camshaft seals.

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

These vehicles often experience ignition coil failures, resulting in misfires, rough idling, and a decrease in engine performance.

Direct injection engines like the one in the Audi S6 are prone to carbon build-up on the intake valves, leading to reduced performance and fuel efficiency.

The 2002 S6 can have issues with coolant leaks from the radiator, water pump, or coolant hoses, which can lead to overheating.

Vacuum leaks are common and can cause rough idling, stalling, and poor fuel economy.

The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture readings and poor engine performance.

Problems with the secondary air injection system can cause the check engine light to come on and affect emissions control.

The 2002 Audi S6 is known for developing oil leaks, especially from the valve cover gaskets and camshaft seals.

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

These vehicles often experience ignition coil failures, resulting in misfires, rough idling, and a decrease in engine performance.

Direct injection engines like the one in the Audi S6 are prone to carbon build-up on the intake valves, leading to reduced performance and fuel efficiency.

The 2002 S6 can have issues with coolant leaks from the radiator, water pump, or coolant hoses, which can lead to overheating.

Vacuum leaks are common and can cause rough idling, stalling, and poor fuel economy.

The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture readings and poor engine performance.

Problems with the secondary air injection system can cause the check engine light to come on and affect emissions control.

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

Can lead to engine misfires and other performance problems if not properly maintained.

May cause engine misfires, poor fuel efficiency, and difficulty starting.

Particularly in direct injection engines, leading to reduced performance and fuel efficiency.

Can cause engine overheating and potential engine damage if not addressed.

Can result in poor engine performance and reduced fuel economy.

May cause rough idling, increased oil consumption, and engine warning lights.

Can lead to poor engine performance, misfires, and increased emissions.

The 2002 Audi S6 is known for developing oil leaks, especially from the valve cover gaskets and camshaft seals.

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

These vehicles often experience ignition coil failures, resulting in misfires, rough idling, and a decrease in engine performance.

Direct injection engines like the one in the Audi S6 are prone to carbon build-up on the intake valves, leading to reduced performance and fuel efficiency.

The 2002 S6 can have issues with coolant leaks from the radiator, water pump, or coolant hoses, which can lead to overheating.

Vacuum leaks are common and can cause rough idling, stalling, and poor fuel economy.

The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture readings and poor engine performance.

Problems with the secondary air injection system can cause the check engine light to come on and affect emissions control.

The 2002 Audi S6 is known for developing oil leaks, especially from the valve cover gaskets and camshaft seals.

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

These vehicles often experience ignition coil failures, resulting in misfires, rough idling, and a decrease in engine performance.

Direct injection engines like the one in the Audi S6 are prone to carbon build-up on the intake valves, leading to reduced performance and fuel efficiency.

The 2002 S6 can have issues with coolant leaks from the radiator, water pump, or coolant hoses, which can lead to overheating.

Vacuum leaks are common and can cause rough idling, stalling, and poor fuel economy.

The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture readings and poor engine performance.

Problems with the secondary air injection system can cause the check engine light to come on and affect emissions control.

The 2002 Audi S6 is known for developing oil leaks, especially from the valve cover gaskets and camshaft seals.

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

These vehicles often experience ignition coil failures, resulting in misfires, rough idling, and a decrease in engine performance.

Direct injection engines like the one in the Audi S6 are prone to carbon build-up on the intake valves, leading to reduced performance and fuel efficiency.

The 2002 S6 can have issues with coolant leaks from the radiator, water pump, or coolant hoses, which can lead to overheating.

Vacuum leaks are common and can cause rough idling, stalling, and poor fuel economy.

The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture readings and poor engine performance.

Problems with the secondary air injection system can cause the check engine light to come on and affect emissions control.

The 2002 Audi S6 is known for developing oil leaks, especially from the valve cover gaskets and camshaft seals.

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

These vehicles often experience ignition coil failures, resulting in misfires, rough idling, and a decrease in engine performance.

Direct injection engines like the one in the Audi S6 are prone to carbon build-up on the intake valves, leading to reduced performance and fuel efficiency.

The 2002 S6 can have issues with coolant leaks from the radiator, water pump, or coolant hoses, which can lead to overheating.

Vacuum leaks are common and can cause rough idling, stalling, and poor fuel economy.

The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture readings and poor engine performance.

Problems with the secondary air injection system can cause the check engine light to come on and affect emissions control.

The 2002 Audi S6 is known for developing oil leaks, especially from the valve cover gaskets and camshaft seals.

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

These vehicles often experience ignition coil failures, resulting in misfires, rough idling, and a decrease in engine performance.

Direct injection engines like the one in the Audi S6 are prone to carbon build-up on the intake valves, leading to reduced performance and fuel efficiency.

The 2002 S6 can have issues with coolant leaks from the radiator, water pump, or coolant hoses, which can lead to overheating.

Vacuum leaks are common and can cause rough idling, stalling, and poor fuel economy.

The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture readings and poor engine performance.

Problems with the secondary air injection system can cause the check engine light to come on and affect emissions control.

The 2002 Audi S6 is known for developing oil leaks, especially from the valve cover gaskets and camshaft seals.

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

These vehicles often experience ignition coil failures, resulting in misfires, rough idling, and a decrease in engine performance.

Direct injection engines like the one in the Audi S6 are prone to carbon build-up on the intake valves, leading to reduced performance and fuel efficiency.

The 2002 S6 can have issues with coolant leaks from the radiator, water pump, or coolant hoses, which can lead to overheating.

Vacuum leaks are common and can cause rough idling, stalling, and poor fuel economy.

The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture readings and poor engine performance.

Problems with the secondary air injection system can cause the check engine light to come on and affect emissions control.

The 2002 Audi S6 is known for developing oil leaks, especially from the valve cover gaskets and camshaft seals.

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

These vehicles often experience ignition coil failures, resulting in misfires, rough idling, and a decrease in engine performance.

Direct injection engines like the one in the Audi S6 are prone to carbon build-up on the intake valves, leading to reduced performance and fuel efficiency.

The 2002 S6 can have issues with coolant leaks from the radiator, water pump, or coolant hoses, which can lead to overheating.

Vacuum leaks are common and can cause rough idling, stalling, and poor fuel economy.

The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture readings and poor engine performance.

Problems with the secondary air injection system can cause the check engine light to come on and affect emissions control.