Common in older Toyota engines, caused by worn gaskets or seals.

Needs regular replacement; failure can cause severe engine damage.

Often due to aging radiator or hoses, leading to overheating.

Common issue, can lead to oil leaks and engine misfires.

Can cause rough idling, poor fuel economy, and engine misfires.

Can lead to poor engine performance and fuel inefficiency.

Affects engine performance and fuel efficiency.

Can cause poor acceleration and stalling problems.

Can lead to exhaust leaks and reduced engine performance.

Affects fuel mixture and emissions, leading to poor performance.

The 2UZ-FE engine is known for developing oil leaks, especially around the valve cover gaskets and camshaft seals.

The timing belt on this engine should be replaced every 90,000 miles. Failure to do so can result in belt wear or breakage, leading to severe engine damage.

This engine can develop leaks at the intake manifold gasket, which can cause rough idling and poor performance.

The exhaust manifolds on the 2UZ-FE are prone to cracking, which can result in exhaust leaks and reduced engine performance.

Fuel injectors on this engine can become clogged or fail, leading to poor fuel economy and engine misfires.

Radiator and water pump failures are common and can lead to engine overheating if not addressed in a timely manner.

The 2UZ-FE engine can experience spark plug wear or fouling, which can cause misfires and reduced fuel efficiency. Regular replacement is necessary.

The throttle body can become dirty or fail, leading to stalling, rough idling, and poor throttle response.

The 2UZ-FE engine is known for developing oil leaks, particularly from the valve cover gaskets and oil pan gasket.

This engine uses a timing belt, which can wear out and potentially break if not replaced at recommended intervals, leading to significant engine damage.

Some owners report higher-than-normal oil consumption, which may be due to worn piston rings or valve seals.

Issues with oxygen sensors and mass airflow sensors can occur, leading to poor engine performance and reduced fuel efficiency.

Radiator or water pump failures can lead to overheating, potentially causing severe engine damage.

A faulty crankshaft position sensor can cause the engine to stall or fail to start.

Over time, the exhaust manifold may crack, causing exhaust leaks and reducing engine performance.

The 2UZ-FE engine is known for oil leaks, often from the valve cover gaskets or the front crankshaft seal.

The 2UZ-FE engine uses a timing belt, which can wear out and require replacement typically around every 90,000 miles to prevent engine damage.

Fuel injectors may become clogged or malfunction, leading to rough idling or poor fuel economy.

Carbon buildup in the throttle body can cause erratic idling and throttle response issues.

Radiator or water pump failures can occur, leading to overheating if not addressed promptly.

Over time, spark plugs can wear out, resulting in misfires, decreased performance, and poor fuel efficiency.

The MAF sensor can fail, causing engine performance issues and triggering the check engine light.

The exhaust manifolds on the 2UZ-FE engine can develop cracks, leading to exhaust leaks and increased engine noise.

Oxygen sensors can wear out, leading to incorrect fuel mixture and reduced engine efficiency.

The 2UZ-FE engine may develop oil leaks around the valve cover gaskets and oil pan gasket. These leaks can lead to reduced engine performance if not addressed.

The timing belt on the 2UZ-FE engine needs regular replacement (approximately every 90,000 to 100,000 miles). A worn timing belt can cause serious engine damage if it breaks.

Clogged or malfunctioning fuel injectors can lead to poor engine performance, misfires, and reduced fuel efficiency.

Over time, the cooling system components such as the radiator, water pump, and hoses may wear out or fail, leading to engine overheating issues.

The spark plugs may become worn or fouled over time, causing misfires, rough idling, and decreased fuel efficiency. Regular replacement is necessary to maintain optimal engine performance.

The intake manifold gasket can fail, causing vacuum leaks, rough idling, and poor engine performance.

The 2UZ-FE engine is known for developing cracks in the exhaust manifold, which can lead to exhaust leaks and increased emissions.

Faulty oxygen sensors can result in incorrect air-fuel mixture readings, leading to poor fuel economy and increased emissions.

The throttle body can become dirty or malfunction, causing poor engine performance, stalling, and hesitation.

A faulty MAF sensor can cause incorrect air-fuel mixture readings, leading to poor engine performance and reduced fuel economy.

The 2UZ-FE engine in the 2006 Lexus GX often experiences oil leaks from the valve cover gaskets, oil pan, or front and rear crankshaft seals.

The timing belt in the 2UZ-FE engine has a limited lifespan and can wear out, potentially leading to engine damage if not replaced at recommended intervals.

The exhaust manifolds on this engine are prone to cracking, which can cause exhaust leaks and affect engine performance.

Fuel injectors in the 2UZ-FE engine can become clogged or fail, leading to poor engine performance, misfires, and reduced fuel efficiency.

Issues with the radiator, water pump, or thermostat can lead to overheating, which can cause significant engine damage if not addressed promptly.

Over time, carbon deposits can accumulate in the intake manifold and on the intake valves, leading to reduced engine performance and efficiency.

The vacuum hoses and lines in the 2UZ-FE engine can develop leaks, leading to rough idling, poor acceleration, and overall decreased engine performance.

The 2UZ-FE engine is known for oil leaks, often from the valve cover gaskets or the front crankshaft seal.

The 2UZ-FE engine uses a timing belt, which can wear out and require replacement typically around every 90,000 miles to prevent engine damage.

Fuel injectors may become clogged or malfunction, leading to rough idling or poor fuel economy.

Carbon buildup in the throttle body can cause erratic idling and throttle response issues.

Radiator or water pump failures can occur, leading to overheating if not addressed promptly.

Over time, spark plugs can wear out, resulting in misfires, decreased performance, and poor fuel efficiency.

The MAF sensor can fail, causing engine performance issues and triggering the check engine light.

The exhaust manifolds on the 2UZ-FE engine can develop cracks, leading to exhaust leaks and increased engine noise.

Oxygen sensors can wear out, leading to incorrect fuel mixture and reduced engine efficiency.

The 2UZ-FE engine is known for developing oil leaks, especially around the valve cover gaskets and camshaft seals.

The timing belt on this engine should be replaced every 90,000 miles. Failure to do so can result in belt wear or breakage, leading to severe engine damage.

This engine can develop leaks at the intake manifold gasket, which can cause rough idling and poor performance.

The exhaust manifolds on the 2UZ-FE are prone to cracking, which can result in exhaust leaks and reduced engine performance.

Fuel injectors on this engine can become clogged or fail, leading to poor fuel economy and engine misfires.

Radiator and water pump failures are common and can lead to engine overheating if not addressed in a timely manner.

The 2UZ-FE engine can experience spark plug wear or fouling, which can cause misfires and reduced fuel efficiency. Regular replacement is necessary.

The throttle body can become dirty or fail, leading to stalling, rough idling, and poor throttle response.

The 2UZ-FE engine is known to develop oil leaks, particularly from the valve cover gaskets and the front crankshaft seal. Over time, the seals can degrade and cause oil to seep out.

This engine uses a timing belt, which requires periodic replacement. If not replaced at the recommended intervals, the belt can wear out and potentially break, leading to severe engine damage.

Coolant leaks can occur from the radiator, water pump, or hoses. It's important to monitor the cooling system and address any leaks promptly to prevent overheating.

The intake manifold gasket can deteriorate over time, leading to vacuum leaks and engine performance issues such as rough idling or misfires.

The starter motor on the 2UZ-FE engine can fail, leading to difficulties in starting the engine. This is often due to worn-out contacts or a weak solenoid.

The exhaust manifolds can develop cracks, which can lead to exhaust leaks and a decrease in engine performance.

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

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

The throttle body can become dirty or the throttle position sensor can fail, leading to poor throttle response and engine performance issues.

The knock sensors on the 2UZ-FE engine can fail, leading to engine knocking and reduced performance. This can also trigger the check engine light.

The 2UZ-FE engine is known for developing oil leaks over time, particularly from the valve cover gaskets and the front crankshaft seal.

The 2UZ-FE engine uses a timing belt which requires regular replacement. If neglected, it can lead to severe engine damage.

The V-shaped configuration can sometimes lead to cracks in the exhaust manifold, causing exhaust leaks and reduced engine performance.

Over time, the fuel injectors can become clogged or fail, leading to poor fuel economy and engine misfires.

As with most high-mileage engines, the spark plugs can wear out and need regular replacement to maintain engine performance.

Carbon deposits can accumulate in the throttle body, causing poor acceleration and idle issues.

Coolant leaks from the radiator, water pump, or hoses can be common and should be addressed to prevent overheating.

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

This can occur in the 2UZ-FE engine due to poor maintenance or lack of regular oil changes, leading to reduced engine performance and potential damage.

The 2UZ-FE engine uses a timing belt that needs regular replacement. If it fails, it can cause severe engine damage.

Overheating issues can lead to head gasket failure, which can cause coolant leaks and engine overheating.

Worn-out or faulty spark plugs can lead to misfires and reduced engine performance.

Dirty or clogged fuel injectors can affect fuel delivery, leading to rough idling and poor acceleration.

Vacuum leaks can cause a variety of issues including rough idling, stalling, and poor fuel economy.

The knock sensor in the 2UZ-FE engine can fail, leading to poor engine performance and reduced fuel efficiency.

Cracks in the exhaust manifold can cause exhaust leaks, leading to reduced engine performance and increased emissions.

The 2UZ-FE engine is known for developing oil leaks, particularly from the valve cover gaskets and oil pan gasket.

The 2UZ-FE engine uses a timing belt that requires regular replacement. If not replaced at the recommended intervals, it can lead to engine failure.

This engine is prone to developing cracks in the exhaust manifold, which can cause exhaust leaks and reduce engine performance.

Over time, carbon can build up in the intake manifold and throttle body, leading to reduced engine efficiency and performance.

Issues with the radiator and cooling system can lead to engine overheating, which is a common problem in older models.

The ignition coils in the 2UZ-FE engine can fail prematurely, leading to misfires and poor engine performance.

The fuel injectors may become clogged or fail, causing poor fuel economy and engine performance issues.

The knock sensors in the 2UZ-FE can fail, leading to engine knocking and reduced performance.

The 2UZ-FE engine, used in the 2001 Toyota Land Cruiser, is known for oil leaks, particularly from the valve cover gaskets and oil pan.

The timing belt in this V8 engine can wear out and may need replacement approximately every 90,000 to 100,000 miles to avoid severe engine damage.

Radiator and coolant hoses can develop leaks over time, leading to overheating problems.

This engine model often experiences starter motor issues, which can cause difficulties in starting the vehicle.

The exhaust manifolds on the 2UZ-FE are prone to cracking, which can lead to exhaust leaks and increased noise.

Buildup of carbon and sludge in the throttle body can lead to poor engine performance and throttle response issues.

Fuel injectors can become clogged or fail, leading to rough idling, misfires, and reduced fuel efficiency.

The ignition coils can deteriorate over time, causing misfires and engine performance issues.

The 2UZ-FE engine is known for developing oil leaks, especially around the valve cover gaskets and camshaft seals.

The timing belt on this engine should be replaced every 90,000 miles. Failure to do so can result in belt wear or breakage, leading to severe engine damage.

This engine can develop leaks at the intake manifold gasket, which can cause rough idling and poor performance.

The exhaust manifolds on the 2UZ-FE are prone to cracking, which can result in exhaust leaks and reduced engine performance.

Fuel injectors on this engine can become clogged or fail, leading to poor fuel economy and engine misfires.

Radiator and water pump failures are common and can lead to engine overheating if not addressed in a timely manner.

The 2UZ-FE engine can experience spark plug wear or fouling, which can cause misfires and reduced fuel efficiency. Regular replacement is necessary.

The throttle body can become dirty or fail, leading to stalling, rough idling, and poor throttle response.

The 2UZ-FE engine in the 2006 Lexus GX often experiences oil leaks from the valve cover gaskets, oil pan, or front and rear crankshaft seals.

The timing belt in the 2UZ-FE engine has a limited lifespan and can wear out, potentially leading to engine damage if not replaced at recommended intervals.

The exhaust manifolds on this engine are prone to cracking, which can cause exhaust leaks and affect engine performance.

Fuel injectors in the 2UZ-FE engine can become clogged or fail, leading to poor engine performance, misfires, and reduced fuel efficiency.

Issues with the radiator, water pump, or thermostat can lead to overheating, which can cause significant engine damage if not addressed promptly.

Over time, carbon deposits can accumulate in the intake manifold and on the intake valves, leading to reduced engine performance and efficiency.

The vacuum hoses and lines in the 2UZ-FE engine can develop leaks, leading to rough idling, poor acceleration, and overall decreased engine performance.

The Toyota 2UZ-FE engine, being a V8, can sometimes face overheating issues due to its large displacement and power output, especially under heavy load or off-road conditions.

The 2UZ-FE engine uses a timing belt that should be replaced at recommended intervals to avoid potential engine damage due to belt failure.

Common in older models like the 2000 Land Cruiser, oil leaks can develop from valve cover gaskets, oil pan gaskets, or other seals.

Over time, fuel injectors can become clogged or fail, leading to poor engine performance or misfires.

The starter motor in this model can wear out, leading to starting problems, especially in high-mileage vehicles.

The exhaust manifold can develop cracks due to heat cycles, which can cause exhaust leaks and affect engine performance.

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

The cooling system components, such as the radiator, hoses, and water pump, can develop leaks, leading to engine overheating if not addressed.

Worn spark plugs can lead to misfires, rough idling, and reduced fuel efficiency.

The throttle body can get dirty or fail, leading to poor engine response and idling issues.

The 2UZ-FE engine may develop oil leaks around the valve cover gaskets and oil pan gasket. These leaks can lead to reduced engine performance if not addressed.

The timing belt on the 2UZ-FE engine needs regular replacement (approximately every 90,000 to 100,000 miles). A worn timing belt can cause serious engine damage if it breaks.

Clogged or malfunctioning fuel injectors can lead to poor engine performance, misfires, and reduced fuel efficiency.

Over time, the cooling system components such as the radiator, water pump, and hoses may wear out or fail, leading to engine overheating issues.

The spark plugs may become worn or fouled over time, causing misfires, rough idling, and decreased fuel efficiency. Regular replacement is necessary to maintain optimal engine performance.

The intake manifold gasket can fail, causing vacuum leaks, rough idling, and poor engine performance.

The 2UZ-FE engine is known for developing cracks in the exhaust manifold, which can lead to exhaust leaks and increased emissions.

Faulty oxygen sensors can result in incorrect air-fuel mixture readings, leading to poor fuel economy and increased emissions.

The throttle body can become dirty or malfunction, causing poor engine performance, stalling, and hesitation.

A faulty MAF sensor can cause incorrect air-fuel mixture readings, leading to poor engine performance and reduced fuel economy.

The 2UZ-FE engine is known to develop oil leaks from valve cover gaskets and front crankshaft seals as it ages.

This engine uses a timing belt that should be replaced at regular intervals (typically every 90,000 miles) to prevent failure, which can lead to severe engine damage.

Some owners report higher-than-normal oil consumption, which can be due to worn piston rings or valve seals.

Oxygen sensors can fail over time, leading to poor fuel economy and increased emissions.

Carbon buildup in the throttle body can cause rough idling and poor acceleration.

The knock sensors can fail, leading to poor engine performance and triggering the check engine light.

Although less common, head gasket failure can occur, leading to coolant leaks and engine overheating.

Spark plugs and ignition coils can wear out and need replacement to maintain optimal engine performance.

Clogged or malfunctioning fuel injectors can cause misfires and poor engine performance.

The 2UZ-FE engine is known for oil leaks, often from the valve cover gaskets or the front crankshaft seal.

The 2UZ-FE engine uses a timing belt, which can wear out and require replacement typically around every 90,000 miles to prevent engine damage.

Fuel injectors may become clogged or malfunction, leading to rough idling or poor fuel economy.

Carbon buildup in the throttle body can cause erratic idling and throttle response issues.

Radiator or water pump failures can occur, leading to overheating if not addressed promptly.

Over time, spark plugs can wear out, resulting in misfires, decreased performance, and poor fuel efficiency.

The MAF sensor can fail, causing engine performance issues and triggering the check engine light.

The exhaust manifolds on the 2UZ-FE engine can develop cracks, leading to exhaust leaks and increased engine noise.

Oxygen sensors can wear out, leading to incorrect fuel mixture and reduced engine efficiency.

The 2UZ-FE engine is known to develop oil leaks, particularly from the valve cover gaskets and the front crankshaft seal. Over time, the seals can degrade and cause oil to seep out.

This engine uses a timing belt, which requires periodic replacement. If not replaced at the recommended intervals, the belt can wear out and potentially break, leading to severe engine damage.

Coolant leaks can occur from the radiator, water pump, or hoses. It's important to monitor the cooling system and address any leaks promptly to prevent overheating.

The intake manifold gasket can deteriorate over time, leading to vacuum leaks and engine performance issues such as rough idling or misfires.

The starter motor on the 2UZ-FE engine can fail, leading to difficulties in starting the engine. This is often due to worn-out contacts or a weak solenoid.

The exhaust manifolds can develop cracks, which can lead to exhaust leaks and a decrease in engine performance.

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

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

The throttle body can become dirty or the throttle position sensor can fail, leading to poor throttle response and engine performance issues.

The knock sensors on the 2UZ-FE engine can fail, leading to engine knocking and reduced performance. This can also trigger the check engine light.

The 2UZ-FE engine, used in the 2001 Toyota Land Cruiser, is known for oil leaks, particularly from the valve cover gaskets and oil pan.

The timing belt in this V8 engine can wear out and may need replacement approximately every 90,000 to 100,000 miles to avoid severe engine damage.

Radiator and coolant hoses can develop leaks over time, leading to overheating problems.

This engine model often experiences starter motor issues, which can cause difficulties in starting the vehicle.

The exhaust manifolds on the 2UZ-FE are prone to cracking, which can lead to exhaust leaks and increased noise.

Buildup of carbon and sludge in the throttle body can lead to poor engine performance and throttle response issues.

Fuel injectors can become clogged or fail, leading to rough idling, misfires, and reduced fuel efficiency.

The ignition coils can deteriorate over time, causing misfires and engine performance issues.

The 2UZ-FE engine is known for developing oil leaks, particularly from the valve cover gaskets and oil pan gaskets over time.

This engine uses a timing belt that requires periodic replacement, typically around 90,000 miles. Failure to do so can result in severe engine damage.

Some owners report that the engine consumes more oil than expected, which can be due to worn piston rings or valve seals.

Radiator and water pump failures can lead to coolant leaks, which, if not addressed, can cause the engine to overheat.

Ignition coil packs can fail, leading to engine misfires. This is often accompanied by a check engine light and rough running conditions.

Over time, carbon can build up on the intake valves and combustion chambers, leading to reduced engine performance and fuel efficiency.

This can occur in the 2UZ-FE engine due to poor maintenance or lack of regular oil changes, leading to reduced engine performance and potential damage.

The 2UZ-FE engine uses a timing belt that needs regular replacement. If it fails, it can cause severe engine damage.

Overheating issues can lead to head gasket failure, which can cause coolant leaks and engine overheating.

Worn-out or faulty spark plugs can lead to misfires and reduced engine performance.

Dirty or clogged fuel injectors can affect fuel delivery, leading to rough idling and poor acceleration.

Vacuum leaks can cause a variety of issues including rough idling, stalling, and poor fuel economy.

The knock sensor in the 2UZ-FE engine can fail, leading to poor engine performance and reduced fuel efficiency.

Cracks in the exhaust manifold can cause exhaust leaks, leading to reduced engine performance and increased emissions.

The 2UZ-FE engine in the 2006 Lexus GX often experiences oil leaks from the valve cover gaskets, oil pan, or front and rear crankshaft seals.

The timing belt in the 2UZ-FE engine has a limited lifespan and can wear out, potentially leading to engine damage if not replaced at recommended intervals.

The exhaust manifolds on this engine are prone to cracking, which can cause exhaust leaks and affect engine performance.

Fuel injectors in the 2UZ-FE engine can become clogged or fail, leading to poor engine performance, misfires, and reduced fuel efficiency.

Issues with the radiator, water pump, or thermostat can lead to overheating, which can cause significant engine damage if not addressed promptly.

Over time, carbon deposits can accumulate in the intake manifold and on the intake valves, leading to reduced engine performance and efficiency.

The vacuum hoses and lines in the 2UZ-FE engine can develop leaks, leading to rough idling, poor acceleration, and overall decreased engine performance.

The 2UZ-FE engine is known for developing oil leaks, particularly from the valve cover gaskets and the front crankshaft seal.

The timing belt in the 2UZ-FE engine should be replaced regularly (typically every 90,000 to 100,000 miles) to prevent engine damage.

Some users have reported issues with the engine consuming more oil than expected, which could be due to worn piston rings or valve seals.

The exhaust manifolds on the 2UZ-FE engine can develop cracks over time, causing exhaust leaks and noise.

Build-up in the throttle body can lead to poor idling and acceleration problems, requiring cleaning or replacement.

Radiator and water pump failures have been reported, leading to engine overheating if not addressed promptly.

The 2UZ-FE engine can suffer from premature spark plug wear, necessitating more frequent changes.

Fuel injectors can become clogged or fail, leading to poor engine performance and fuel economy.

Knock sensors can fail, causing the engine to run inefficiently and potentially triggering the check engine light.