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Most Common Car Issues

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Engine Model
2JZ-GE
Model Year
2003

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Engine Brake (hp) To
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Engine Number of Cylinders
Engine Stroke Cycles
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MOST COMMON PROBLEMS

LEXUS IS 2003

The 2003 Lexus IS 300, manufactured by Toyota Motor Corporation, is a sleek sedan powered by a 3.0-liter inline-six engine producing between 215 to 227 horsepower. This rear-wheel-drive vehicle features a multipoint fuel injection system and offers comprehensive safety with airbags in the first row for both driver and passenger. Built in Kanegasaki, Japan, the IS 300 combines luxury with performance, ensuring a smooth and safe ride for its occupants. With a manual seat belt system and a gross vehicle weight rating of class 1, it is designed for those who appreciate a balance of comfort and agility.

Spec:

Engine Brake (hp) From
215
Engine Brake (hp) To
227
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
2JZ-GE
Engine Number of Cylinders
6
Engine Stroke Cycles
4

Problems:

Oil consumption
The 2JZ-GE engine can sometimes experience higher-than-normal oil consumption due to worn piston rings or valve seals.
Timing belt wear
Over time, the timing belt can wear out or stretch, leading to potential engine timing issues or even catastrophic engine damage if it breaks.
Ignition coil failure
The ignition coils on the 2JZ-GE engine may fail, causing misfires, rough idling, and reduced engine performance.
Vacuum leaks
The intake manifold and various vacuum hoses can develop leaks, leading to erratic engine behavior and poor fuel economy.
Camshaft position sensor failure
A faulty camshaft position sensor can cause starting issues, misfires, and poor engine performance.
Overheating
The cooling system components, such as the radiator, water pump, and thermostat, can fail, leading to engine overheating.
Fuel injector problems
Clogged or malfunctioning fuel injectors can cause poor engine performance, rough idling, and reduced fuel efficiency.
Head gasket issues
Though less common, the engine can develop head gasket problems, leading to coolant leaks and potential engine overheating.
Throttle body issues
A dirty or malfunctioning throttle body can cause erratic idling and poor throttle response.
Sensor failures
Various sensors, including the oxygen sensor and mass air flow sensor, can fail and lead to poor engine performance and efficiency.
LEXUS IS 2003

The 2003 Lexus IS 300, manufactured by Toyota Motor Corporation in Kanegasaki, Japan, features a 3.0L 2JZ-GE inline-six engine with 215-227 hp. This hatchback includes first-row curtain and side airbags, multipoint fuel injection, and a 4x2 drive type. Known for its blend of performance and luxury, it's a solid choice for enthusiasts and daily drivers alike.

Spec:

Engine Brake (hp) From
215
Engine Brake (hp) To
227
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
2JZ-GE
Engine Number of Cylinders
6
Engine Stroke Cycles
4

Problems:

Oil consumption
The 2JZ-GE engine can sometimes experience higher-than-normal oil consumption due to worn piston rings or valve seals.
Timing belt wear
Over time, the timing belt can wear out or stretch, leading to potential engine timing issues or even catastrophic engine damage if it breaks.
Ignition coil failure
The ignition coils on the 2JZ-GE engine may fail, causing misfires, rough idling, and reduced engine performance.
Vacuum leaks
The intake manifold and various vacuum hoses can develop leaks, leading to erratic engine behavior and poor fuel economy.
Camshaft position sensor failure
A faulty camshaft position sensor can cause starting issues, misfires, and poor engine performance.
Overheating
The cooling system components, such as the radiator, water pump, and thermostat, can fail, leading to engine overheating.
Fuel injector problems
Clogged or malfunctioning fuel injectors can cause poor engine performance, rough idling, and reduced fuel efficiency.
Head gasket issues
Though less common, the engine can develop head gasket problems, leading to coolant leaks and potential engine overheating.
Throttle body issues
A dirty or malfunctioning throttle body can cause erratic idling and poor throttle response.
Sensor failures
Various sensors, including the oxygen sensor and mass air flow sensor, can fail and lead to poor engine performance and efficiency.
LEXUS IS 2003

The 2003 Lexus IS 300 is a stylish sedan powered by a 3.0L inline-6 engine, delivering 215-227 hp. Manufactured by Toyota Motor Corporation, this model features comprehensive safety with airbags for both driver and passenger. With a fuel-efficient multipoint fuel injection system, it offers a smooth and reliable drive. Built in Japan, it combines luxury and performance effortlessly.

Spec:

Engine Brake (hp) From
215
Engine Brake (hp) To
227
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
2JZ-GE
Engine Number of Cylinders
6
Engine Stroke Cycles
4

Problems:

Oil consumption
The 2JZ-GE engine can sometimes experience higher-than-normal oil consumption due to worn piston rings or valve seals.
Timing belt wear
Over time, the timing belt can wear out or stretch, leading to potential engine timing issues or even catastrophic engine damage if it breaks.
Ignition coil failure
The ignition coils on the 2JZ-GE engine may fail, causing misfires, rough idling, and reduced engine performance.
Vacuum leaks
The intake manifold and various vacuum hoses can develop leaks, leading to erratic engine behavior and poor fuel economy.
Camshaft position sensor failure
A faulty camshaft position sensor can cause starting issues, misfires, and poor engine performance.
Overheating
The cooling system components, such as the radiator, water pump, and thermostat, can fail, leading to engine overheating.
Fuel injector problems
Clogged or malfunctioning fuel injectors can cause poor engine performance, rough idling, and reduced fuel efficiency.
Head gasket issues
Though less common, the engine can develop head gasket problems, leading to coolant leaks and potential engine overheating.
Throttle body issues
A dirty or malfunctioning throttle body can cause erratic idling and poor throttle response.
Sensor failures
Various sensors, including the oxygen sensor and mass air flow sensor, can fail and lead to poor engine performance and efficiency.
LEXUS IS 2003

The 2003 Lexus IS 300 is a sleek sedan powered by a 3.0L inline-6 engine from Toyota, delivering between 215 to 227 horsepower. With a 4x2 drive type, it features multiple safety elements including front, side, and curtain airbags for both the driver and passenger. Manufactured by Toyota Motor Corporation in Japan, this vehicle stands out for its reliability and refined engineering.

Spec:

Engine Brake (hp) From
215
Engine Brake (hp) To
227
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
2JZ-GE
Engine Number of Cylinders
6
Engine Stroke Cycles
4

Problems:

Oil consumption
The 2JZ-GE engine can sometimes experience higher-than-normal oil consumption due to worn piston rings or valve seals.
Timing belt wear
Over time, the timing belt can wear out or stretch, leading to potential engine timing issues or even catastrophic engine damage if it breaks.
Ignition coil failure
The ignition coils on the 2JZ-GE engine may fail, causing misfires, rough idling, and reduced engine performance.
Vacuum leaks
The intake manifold and various vacuum hoses can develop leaks, leading to erratic engine behavior and poor fuel economy.
Camshaft position sensor failure
A faulty camshaft position sensor can cause starting issues, misfires, and poor engine performance.
Overheating
The cooling system components, such as the radiator, water pump, and thermostat, can fail, leading to engine overheating.
Fuel injector problems
Clogged or malfunctioning fuel injectors can cause poor engine performance, rough idling, and reduced fuel efficiency.
Head gasket issues
Though less common, the engine can develop head gasket problems, leading to coolant leaks and potential engine overheating.
Throttle body issues
A dirty or malfunctioning throttle body can cause erratic idling and poor throttle response.
Sensor failures
Various sensors, including the oxygen sensor and mass air flow sensor, can fail and lead to poor engine performance and efficiency.
LEXUS IS 2003

The 2003 Lexus IS 300, manufactured by Toyota Motor Corporation in Japan, is a stylish sedan with a robust 3.0L inline-6 engine producing between 215 to 227 hp. It features comprehensive safety with front, side, and curtain airbags for the first row, and utilizes multipoint fuel injection for efficient gasoline delivery. This 4x2 drive vehicle combines performance and safety, making it a reliable passenger car.

Spec:

Engine Brake (hp) From
215
Engine Brake (hp) To
227
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
2JZ-GE
Engine Number of Cylinders
6
Engine Stroke Cycles
4

Problems:

Oil consumption
The 2JZ-GE engine can sometimes experience higher-than-normal oil consumption due to worn piston rings or valve seals.
Timing belt wear
Over time, the timing belt can wear out or stretch, leading to potential engine timing issues or even catastrophic engine damage if it breaks.
Ignition coil failure
The ignition coils on the 2JZ-GE engine may fail, causing misfires, rough idling, and reduced engine performance.
Vacuum leaks
The intake manifold and various vacuum hoses can develop leaks, leading to erratic engine behavior and poor fuel economy.
Camshaft position sensor failure
A faulty camshaft position sensor can cause starting issues, misfires, and poor engine performance.
Overheating
The cooling system components, such as the radiator, water pump, and thermostat, can fail, leading to engine overheating.
Fuel injector problems
Clogged or malfunctioning fuel injectors can cause poor engine performance, rough idling, and reduced fuel efficiency.
Head gasket issues
Though less common, the engine can develop head gasket problems, leading to coolant leaks and potential engine overheating.
Throttle body issues
A dirty or malfunctioning throttle body can cause erratic idling and poor throttle response.
Sensor failures
Various sensors, including the oxygen sensor and mass air flow sensor, can fail and lead to poor engine performance and efficiency.
LEXUS IS 2003

The 2003 Lexus IS 300 is a sophisticated sedan powered by a 3.0L inline-six engine delivering between 215 to 227 hp. With multipoint fuel injection and a sturdy 4x2 drive type, it offers a smooth yet powerful ride. Safety is paramount, featuring airbags in the front and side for both the driver and passenger. Manufactured by Toyota Motor Corporation in Japan, this vehicle combines luxury and reliability.

Spec:

Engine Brake (hp) From
215
Engine Brake (hp) To
227
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
2JZ-GE
Engine Number of Cylinders
6
Engine Stroke Cycles
4

Problems:

Oil consumption
The 2JZ-GE engine can sometimes experience higher-than-normal oil consumption due to worn piston rings or valve seals.
Timing belt wear
Over time, the timing belt can wear out or stretch, leading to potential engine timing issues or even catastrophic engine damage if it breaks.
Ignition coil failure
The ignition coils on the 2JZ-GE engine may fail, causing misfires, rough idling, and reduced engine performance.
Vacuum leaks
The intake manifold and various vacuum hoses can develop leaks, leading to erratic engine behavior and poor fuel economy.
Camshaft position sensor failure
A faulty camshaft position sensor can cause starting issues, misfires, and poor engine performance.
Overheating
The cooling system components, such as the radiator, water pump, and thermostat, can fail, leading to engine overheating.
Fuel injector problems
Clogged or malfunctioning fuel injectors can cause poor engine performance, rough idling, and reduced fuel efficiency.
Head gasket issues
Though less common, the engine can develop head gasket problems, leading to coolant leaks and potential engine overheating.
Throttle body issues
A dirty or malfunctioning throttle body can cause erratic idling and poor throttle response.
Sensor failures
Various sensors, including the oxygen sensor and mass air flow sensor, can fail and lead to poor engine performance and efficiency.
LEXUS IS 2003

The 2003 Lexus IS 300 is a stylish hatchback powered by the renowned Toyota 2JZ-GE inline-six engine, delivering between 215 to 227 hp. Built in Japan by Toyota Motor Corporation, this model features advanced safety with front, side, and curtain airbags for the driver and passenger. Its 3.0L engine utilizes multipoint fuel injection, making it a reliable and efficient choice for enthusiasts.

Spec:

Engine Brake (hp) From
215
Engine Brake (hp) To
227
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
2JZ-GE
Engine Number of Cylinders
6
Engine Stroke Cycles
4

Problems:

Oil consumption
The 2JZ-GE engine can sometimes experience higher-than-normal oil consumption due to worn piston rings or valve seals.
Timing belt wear
Over time, the timing belt can wear out or stretch, leading to potential engine timing issues or even catastrophic engine damage if it breaks.
Ignition coil failure
The ignition coils on the 2JZ-GE engine may fail, causing misfires, rough idling, and reduced engine performance.
Vacuum leaks
The intake manifold and various vacuum hoses can develop leaks, leading to erratic engine behavior and poor fuel economy.
Camshaft position sensor failure
A faulty camshaft position sensor can cause starting issues, misfires, and poor engine performance.
Overheating
The cooling system components, such as the radiator, water pump, and thermostat, can fail, leading to engine overheating.
Fuel injector problems
Clogged or malfunctioning fuel injectors can cause poor engine performance, rough idling, and reduced fuel efficiency.
Head gasket issues
Though less common, the engine can develop head gasket problems, leading to coolant leaks and potential engine overheating.
Throttle body issues
A dirty or malfunctioning throttle body can cause erratic idling and poor throttle response.
Sensor failures
Various sensors, including the oxygen sensor and mass air flow sensor, can fail and lead to poor engine performance and efficiency.
LEXUS IS 2003

The 2003 Lexus IS 300 is a sleek sedan powered by a 3.0L inline-6 engine, producing between 215 to 227 hp. Manufactured by Toyota, it features multipoint fuel injection and a 4x2 drive type. Safety is paramount with front, side, and curtain airbags for the driver and passenger. This model showcases the engineering excellence of the Toyota Motor Corporation, built in Kanegasaki, Japan.

Spec:

Engine Brake (hp) From
215
Engine Brake (hp) To
227
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
2JZ-GE
Engine Number of Cylinders
6
Engine Stroke Cycles
4

Problems:

Oil consumption
The 2JZ-GE engine can sometimes experience higher-than-normal oil consumption due to worn piston rings or valve seals.
Timing belt wear
Over time, the timing belt can wear out or stretch, leading to potential engine timing issues or even catastrophic engine damage if it breaks.
Ignition coil failure
The ignition coils on the 2JZ-GE engine may fail, causing misfires, rough idling, and reduced engine performance.
Vacuum leaks
The intake manifold and various vacuum hoses can develop leaks, leading to erratic engine behavior and poor fuel economy.
Camshaft position sensor failure
A faulty camshaft position sensor can cause starting issues, misfires, and poor engine performance.
Overheating
The cooling system components, such as the radiator, water pump, and thermostat, can fail, leading to engine overheating.
Fuel injector problems
Clogged or malfunctioning fuel injectors can cause poor engine performance, rough idling, and reduced fuel efficiency.
Head gasket issues
Though less common, the engine can develop head gasket problems, leading to coolant leaks and potential engine overheating.
Throttle body issues
A dirty or malfunctioning throttle body can cause erratic idling and poor throttle response.
Sensor failures
Various sensors, including the oxygen sensor and mass air flow sensor, can fail and lead to poor engine performance and efficiency.
LEXUS IS 2003

The 2003 Lexus IS 300 is a sleek sedan powered by the renowned 2JZ-GE inline-six engine, delivering between 215 and 227 horsepower. Manufactured by Toyota Motor Corporation in Japan, this model offers robust safety features, including front, side, and curtain airbags for the first row. With a 3.0L displacement and multipoint fuel injection, it blends performance and reliability. Ideal for those seeking a balance of luxury and engineering excellence.

Spec:

Engine Brake (hp) From
215
Engine Brake (hp) To
227
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
2JZ-GE
Engine Number of Cylinders
6
Engine Stroke Cycles
4

Problems:

Oil consumption
The 2JZ-GE engine can sometimes experience higher-than-normal oil consumption due to worn piston rings or valve seals.
Timing belt wear
Over time, the timing belt can wear out or stretch, leading to potential engine timing issues or even catastrophic engine damage if it breaks.
Ignition coil failure
The ignition coils on the 2JZ-GE engine may fail, causing misfires, rough idling, and reduced engine performance.
Vacuum leaks
The intake manifold and various vacuum hoses can develop leaks, leading to erratic engine behavior and poor fuel economy.
Camshaft position sensor failure
A faulty camshaft position sensor can cause starting issues, misfires, and poor engine performance.
Overheating
The cooling system components, such as the radiator, water pump, and thermostat, can fail, leading to engine overheating.
Fuel injector problems
Clogged or malfunctioning fuel injectors can cause poor engine performance, rough idling, and reduced fuel efficiency.
Head gasket issues
Though less common, the engine can develop head gasket problems, leading to coolant leaks and potential engine overheating.
Throttle body issues
A dirty or malfunctioning throttle body can cause erratic idling and poor throttle response.
Sensor failures
Various sensors, including the oxygen sensor and mass air flow sensor, can fail and lead to poor engine performance and efficiency.
LEXUS IS 2003

The 2003 Lexus IS 300 is a refined sedan powered by a 3.0L inline-six engine producing between 215 and 227 hp, courtesy of Toyota's 2JZ-GE engine. Manufactured in Kanegasaki, Japan, this model features comprehensive safety with 1st-row curtain, front, and side airbags. The vehicle employs a 4x2 drive type and offers luxurious comfort with its well-designed four-door configuration.

Spec:

Engine Brake (hp) From
215
Engine Brake (hp) To
227
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
2JZ-GE
Engine Number of Cylinders
6
Engine Stroke Cycles
4

Problems:

Oil consumption
The 2JZ-GE engine can sometimes experience higher-than-normal oil consumption due to worn piston rings or valve seals.
Timing belt wear
Over time, the timing belt can wear out or stretch, leading to potential engine timing issues or even catastrophic engine damage if it breaks.
Ignition coil failure
The ignition coils on the 2JZ-GE engine may fail, causing misfires, rough idling, and reduced engine performance.
Vacuum leaks
The intake manifold and various vacuum hoses can develop leaks, leading to erratic engine behavior and poor fuel economy.
Camshaft position sensor failure
A faulty camshaft position sensor can cause starting issues, misfires, and poor engine performance.
Overheating
The cooling system components, such as the radiator, water pump, and thermostat, can fail, leading to engine overheating.
Fuel injector problems
Clogged or malfunctioning fuel injectors can cause poor engine performance, rough idling, and reduced fuel efficiency.
Head gasket issues
Though less common, the engine can develop head gasket problems, leading to coolant leaks and potential engine overheating.
Throttle body issues
A dirty or malfunctioning throttle body can cause erratic idling and poor throttle response.
Sensor failures
Various sensors, including the oxygen sensor and mass air flow sensor, can fail and lead to poor engine performance and efficiency.
LEXUS IS 2003

The 2003 Lexus IS 300 is a sleek sedan powered by a 3.0L inline-six engine producing 215-227 hp. Manufactured by Toyota Motor Corporation in Japan, it features multipoint fuel injection and offers robust safety with front, side, and curtain airbags for the driver and passenger. This 4-door, 4x2 drive type vehicle combines luxury and performance seamlessly.

Spec:

Engine Brake (hp) From
215
Engine Brake (hp) To
227
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
2JZ-GE
Engine Number of Cylinders
6
Engine Stroke Cycles
4

Problems:

Oil consumption
The 2JZ-GE engine can sometimes experience higher-than-normal oil consumption due to worn piston rings or valve seals.
Timing belt wear
Over time, the timing belt can wear out or stretch, leading to potential engine timing issues or even catastrophic engine damage if it breaks.
Ignition coil failure
The ignition coils on the 2JZ-GE engine may fail, causing misfires, rough idling, and reduced engine performance.
Vacuum leaks
The intake manifold and various vacuum hoses can develop leaks, leading to erratic engine behavior and poor fuel economy.
Camshaft position sensor failure
A faulty camshaft position sensor can cause starting issues, misfires, and poor engine performance.
Overheating
The cooling system components, such as the radiator, water pump, and thermostat, can fail, leading to engine overheating.
Fuel injector problems
Clogged or malfunctioning fuel injectors can cause poor engine performance, rough idling, and reduced fuel efficiency.
Head gasket issues
Though less common, the engine can develop head gasket problems, leading to coolant leaks and potential engine overheating.
Throttle body issues
A dirty or malfunctioning throttle body can cause erratic idling and poor throttle response.
Sensor failures
Various sensors, including the oxygen sensor and mass air flow sensor, can fail and lead to poor engine performance and efficiency.
LEXUS IS 2003

The 2003 Lexus IS 300 is a refined sedan powered by a robust 3.0L inline-6 engine, delivering between 215 to 227 hp. Manufactured by Toyota Motor Corporation in Japan, this model features advanced safety with curtain and side airbags for the first row. It also boasts a multipoint fuel injection system and a 4x2 drive type, ensuring a balanced blend of performance and efficiency.

Spec:

Engine Brake (hp) From
215
Engine Brake (hp) To
227
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
2JZ-GE
Engine Number of Cylinders
6
Engine Stroke Cycles
4

Problems:

Oil consumption
The 2JZ-GE engine can sometimes experience higher-than-normal oil consumption due to worn piston rings or valve seals.
Timing belt wear
Over time, the timing belt can wear out or stretch, leading to potential engine timing issues or even catastrophic engine damage if it breaks.
Ignition coil failure
The ignition coils on the 2JZ-GE engine may fail, causing misfires, rough idling, and reduced engine performance.
Vacuum leaks
The intake manifold and various vacuum hoses can develop leaks, leading to erratic engine behavior and poor fuel economy.
Camshaft position sensor failure
A faulty camshaft position sensor can cause starting issues, misfires, and poor engine performance.
Overheating
The cooling system components, such as the radiator, water pump, and thermostat, can fail, leading to engine overheating.
Fuel injector problems
Clogged or malfunctioning fuel injectors can cause poor engine performance, rough idling, and reduced fuel efficiency.
Head gasket issues
Though less common, the engine can develop head gasket problems, leading to coolant leaks and potential engine overheating.
Throttle body issues
A dirty or malfunctioning throttle body can cause erratic idling and poor throttle response.
Sensor failures
Various sensors, including the oxygen sensor and mass air flow sensor, can fail and lead to poor engine performance and efficiency.
LEXUS GS 2003

The 2003 Lexus GS, manufactured by Toyota Motor Corporation in Tahara, Japan, features a 3.0L 2JZ-GE in-line 6-cylinder engine producing 215-227 hp. This 4-door sedan offers comprehensive safety with front, side, and curtain airbags for the first row. It has a gross vehicle weight rating of Class 1 (up to 6,000 lb) and utilizes multipoint fuel injection for its gasoline engine.

Spec:

Engine Brake (hp) From
215
Engine Brake (hp) To
227
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
2JZ-GE
Engine Number of Cylinders
6
Engine Stroke Cycles
4

Problems:

Oil consumption
The 2JZ-GE engine is known for higher-than-average oil consumption as it ages, which can lead to low oil levels if not monitored regularly.
Valve stem seal wear
Due to the age and mileage, the valve stem seals may wear out, leading to oil leaks into the combustion chamber and causing smoke from the exhaust.
Timing belt wear
The 2JZ-GE engine uses a timing belt that needs regular replacement. If neglected, it can lead to severe engine damage if the belt fails.
Head gasket failure
Older 2JZ-GE engines may experience head gasket failures, which can cause overheating and coolant leakage.
Idle air control valve issues
This can lead to unstable idling and stalling problems, especially when the engine is cold.
Fuel injector problems
Over time, fuel injectors may become clogged or fail, leading to poor engine performance and misfires.
Ignition coil failure
The engine may experience misfires or rough running due to faulty ignition coils, which are common issues with this model.
Oxygen sensor failure
Faulty oxygen sensors can lead to poor fuel economy and increased emissions.
Cooling system leaks
Radiator, hoses, or water pump leaks can cause the engine to overheat, which is detrimental to the 2JZ-GE's longevity.
Crankshaft position sensor failure
This can cause the engine to stall or not start at all.
LEXUS IS 2003

The 2003 Lexus IS 300 is a stylish sedan powered by a 3.0L inline-6 engine, delivering between 215 to 227 hp. Manufactured by Toyota, it features front and side airbags for the first-row occupants and utilizes Multipoint Fuel Injection. This four-door, 4x2 drive vehicle was assembled in Kanegasaki, Japan.

Spec:

Engine Brake (hp) From
215
Engine Brake (hp) To
227
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
2JZ-GE
Engine Number of Cylinders
6
Engine Stroke Cycles
4

Problems:

Oil consumption
The 2JZ-GE engine can sometimes experience higher-than-normal oil consumption due to worn piston rings or valve seals.
Timing belt wear
Over time, the timing belt can wear out or stretch, leading to potential engine timing issues or even catastrophic engine damage if it breaks.
Ignition coil failure
The ignition coils on the 2JZ-GE engine may fail, causing misfires, rough idling, and reduced engine performance.
Vacuum leaks
The intake manifold and various vacuum hoses can develop leaks, leading to erratic engine behavior and poor fuel economy.
Camshaft position sensor failure
A faulty camshaft position sensor can cause starting issues, misfires, and poor engine performance.
Overheating
The cooling system components, such as the radiator, water pump, and thermostat, can fail, leading to engine overheating.
Fuel injector problems
Clogged or malfunctioning fuel injectors can cause poor engine performance, rough idling, and reduced fuel efficiency.
Head gasket issues
Though less common, the engine can develop head gasket problems, leading to coolant leaks and potential engine overheating.
Throttle body issues
A dirty or malfunctioning throttle body can cause erratic idling and poor throttle response.
Sensor failures
Various sensors, including the oxygen sensor and mass air flow sensor, can fail and lead to poor engine performance and efficiency.
LEXUS GS 2003

The 2003 Lexus GS, manufactured by Toyota Motor Corporation in Tahara, Japan, features a 3.0L inline-6 engine (2JZ-GE) producing between 215 to 227 hp. This 4-door sedan offers front and side airbags for both driver and passenger, and uses multipoint fuel injection. As a Class 1 passenger car, it operates with a 4x2 drive type and runs on gasoline.

Spec:

Engine Brake (hp) From
215
Engine Brake (hp) To
227
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
2JZ-GE
Engine Number of Cylinders
6
Engine Stroke Cycles
4

Problems:

Oil consumption
The 2JZ-GE engine is known for higher-than-average oil consumption as it ages, which can lead to low oil levels if not monitored regularly.
Valve stem seal wear
Due to the age and mileage, the valve stem seals may wear out, leading to oil leaks into the combustion chamber and causing smoke from the exhaust.
Timing belt wear
The 2JZ-GE engine uses a timing belt that needs regular replacement. If neglected, it can lead to severe engine damage if the belt fails.
Head gasket failure
Older 2JZ-GE engines may experience head gasket failures, which can cause overheating and coolant leakage.
Idle air control valve issues
This can lead to unstable idling and stalling problems, especially when the engine is cold.
Fuel injector problems
Over time, fuel injectors may become clogged or fail, leading to poor engine performance and misfires.
Ignition coil failure
The engine may experience misfires or rough running due to faulty ignition coils, which are common issues with this model.
Oxygen sensor failure
Faulty oxygen sensors can lead to poor fuel economy and increased emissions.
Cooling system leaks
Radiator, hoses, or water pump leaks can cause the engine to overheat, which is detrimental to the 2JZ-GE's longevity.
Crankshaft position sensor failure
This can cause the engine to stall or not start at all.
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