High-performance engines like the Subaru WRX's can sometimes consume more oil than expected, requiring frequent top-ups.

The turbocharger in the WRX can be prone to wear and tear, leading to reduced performance or failure if not properly maintained.

Although Subaru has improved this over the years, head gasket issues can still arise, leading to coolant leaks and engine overheating.

Direct injection engines are prone to carbon build-up on intake valves, which can affect engine performance and fuel economy.

Over time, the timing belt or chain can wear out, potentially leading to severe engine damage if not replaced according to the maintenance schedule.

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

Problems with the radiator, water pump, or thermostat can cause the engine to overheat, potentially leading to severe damage.

High-performance engines like the Subaru WRX's can sometimes consume more oil than expected, requiring frequent top-ups.

The turbocharger in the WRX can be prone to wear and tear, leading to reduced performance or failure if not properly maintained.

Although Subaru has improved this over the years, head gasket issues can still arise, leading to coolant leaks and engine overheating.

Direct injection engines are prone to carbon build-up on intake valves, which can affect engine performance and fuel economy.

Over time, the timing belt or chain can wear out, potentially leading to severe engine damage if not replaced according to the maintenance schedule.

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

Problems with the radiator, water pump, or thermostat can cause the engine to overheat, potentially leading to severe damage.

The J35Z3 engine, like other V6 engines, can experience higher oil consumption due to worn piston rings or valve seals.

The J35Z3 engine uses a timing belt which may wear out or break over time, leading to potential engine damage if not replaced regularly.

Six-cylinder engines can suffer from spark plug fouling, leading to misfires and reduced performance.

Over time, the engine's valves may require adjustment to maintain optimal performance and prevent valve noise.

The Variable Timing Control actuator in the J35Z3 engine can become noisy, especially during cold starts.

Exhaust Gas Recirculation (EGR) valve issues can cause rough idling and poor acceleration.

Clogged or faulty fuel injectors can lead to poor fuel economy and engine misfires.

V6 engines, including the J35Z3, can develop coolant leaks from the radiator, hoses, or gaskets, leading to overheating issues.

While not directly related to the engine, the automatic transmission paired with the J35Z3 can experience shifting problems or failure.

Direct injection engines like the J35Z3 can suffer from carbon buildup on intake valves, reducing performance and fuel efficiency.

High-performance engines like the Subaru WRX's can sometimes consume more oil than expected, requiring frequent top-ups.

The turbocharger in the WRX can be prone to wear and tear, leading to reduced performance or failure if not properly maintained.

Although Subaru has improved this over the years, head gasket issues can still arise, leading to coolant leaks and engine overheating.

Direct injection engines are prone to carbon build-up on intake valves, which can affect engine performance and fuel economy.

Over time, the timing belt or chain can wear out, potentially leading to severe engine damage if not replaced according to the maintenance schedule.

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

Problems with the radiator, water pump, or thermostat can cause the engine to overheat, potentially leading to severe damage.

The DBS system may fail to activate properly during emergency braking, potentially leading to longer stopping distances.

Turbochargers in the T24A-FTS engine might experience wear or failure, reducing engine performance and efficiency.

The PORT+DIRECT injection system might develop issues such as clogging or injector failure, leading to poor fuel economy and engine performance.

Problems with the engine's cooling system, such as thermostat malfunctions or radiator leaks, can cause the engine to overheat.

The timing chain tensioner in the 1ZM+1YM engine configuration may wear out prematurely, leading to potential engine timing issues.

This engine model might experience higher-than-normal oil consumption, requiring frequent oil top-ups and monitoring.

Various engine sensors (such as the oxygen sensor or mass airflow sensor) might fail, resulting in poor engine performance and increased emissions.

The EGR system can become clogged or fail, leading to increased emissions and potential engine performance problems.

High-performance engines like the Subaru WRX's can sometimes consume more oil than expected, requiring frequent top-ups.

The turbocharger in the WRX can be prone to wear and tear, leading to reduced performance or failure if not properly maintained.

Although Subaru has improved this over the years, head gasket issues can still arise, leading to coolant leaks and engine overheating.

Direct injection engines are prone to carbon build-up on intake valves, which can affect engine performance and fuel economy.

Over time, the timing belt or chain can wear out, potentially leading to severe engine damage if not replaced according to the maintenance schedule.

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

Problems with the radiator, water pump, or thermostat can cause the engine to overheat, potentially leading to severe damage.

High-performance engines like the Subaru WRX's can sometimes consume more oil than expected, requiring frequent top-ups.

The turbocharger in the WRX can be prone to wear and tear, leading to reduced performance or failure if not properly maintained.

Although Subaru has improved this over the years, head gasket issues can still arise, leading to coolant leaks and engine overheating.

Direct injection engines are prone to carbon build-up on intake valves, which can affect engine performance and fuel economy.

Over time, the timing belt or chain can wear out, potentially leading to severe engine damage if not replaced according to the maintenance schedule.

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

Problems with the radiator, water pump, or thermostat can cause the engine to overheat, potentially leading to severe damage.

Common in the 2UZ-FE engine, often due to valve cover gasket wear or oil pan gasket issues.

The 2UZ-FE engine uses a timing belt that requires regular replacement (usually every 90,000 miles) to prevent catastrophic engine damage.

The V-shaped configuration can cause stress on the exhaust manifolds, leading to cracks and exhaust leaks.

2UZ-FE engines are known for ignition coil problems, which can cause misfires and poor engine performance.

Carbon buildup in the throttle body can affect engine performance and lead to rough idling or stalling.

Radiator and water pump failures are common, which can lead to overheating if not addressed promptly.

Clogged or faulty fuel injectors can cause rough running or poor fuel economy.

Faulty oxygen sensors can lead to poor fuel economy and increased emissions.

A dirty or failing MAF sensor can cause erratic engine behavior and reduced performance.