Most Common Car Issues

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Engine Brake (hp) To

317

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Engine Brake (hp) From

Engine Configuration

Engine Manufacturer

Engine Model

Engine Number of Cylinders

Make

Model

Model Year

MOST COMMON PROBLEMS

LEXUS IS 2007

The 2007 Lexus IS 250, manufactured by Toyota Motor Corporation in Japan, is a refined sedan with a 2.5L V6 engine delivering between 236 to 317 hp. It features advanced safety with multiple airbags, including front, side, curtain, and knee airbags for both driver and passenger. This rear-wheel-drive sedan boasts a sophisticated DOHC valve train design and a direct TPMS for optimal tire safety.

Spec:

Engine Brake (hp) From

236

Engine Brake (hp) To

317

Engine Configuration

V-Shaped

Engine Manufacturer

Toyota

Engine Model

4GR-FSE

Engine Number of Cylinders

Problems:

Oil consumption

The 4GR-FSE engine is known to sometimes have higher oil consumption, which can lead to low oil levels if not monitored regularly.

Carbon buildup

Direct injection engines like the 4GR-FSE can be prone to carbon buildup on intake valves, which can affect performance and fuel efficiency.

Water pump failure

There have been reports of water pump failures in this engine, which can lead to overheating if not addressed promptly.

Fuel injector issues

The direct fuel injectors can become clogged or fail, leading to rough idling or poor acceleration.

Timing chain wear

Over time, the timing chain may stretch or wear out, causing a rattling noise and potential engine timing issues.

Head gasket problems

Some users have reported head gasket failures, which can lead to coolant mixing with oil or loss of compression.

Ignition coil failure

Ignition coils can fail, leading to misfires and poor engine performance.

Sensor malfunctions

Various sensors (oxygen sensor, mass air flow sensor, etc.) can fail, leading to check engine lights and performance issues.

LEXUS IS 2011

The 2011 Lexus IS 250C is a stylish convertible powered by a 2.5L V6 engine (4GR-FSE) producing between 236 to 317 hp. Manufactured by Toyota Motor Corporation in Japan, this vehicle features water cooling, dual overhead cam (DOHC) design, and a 4x2 drive type. Safety is prioritized with front, side, and knee airbags for the driver and passenger, along with a direct TPMS. This model is part of the GSE20L/GSE21L series.

Spec:

Engine Brake (hp) From

236

Engine Brake (hp) To

317

Engine Configuration

V-Shaped

Engine Manufacturer

Toyota

Engine Model

4GR-FSE

Engine Number of Cylinders

Problems:

Oil leaks

Common in many engines due to worn gaskets, seals, or oil pans which can lead to decreased lubrication and potential engine damage.

Carbon buildup

Direct injection engines like the 4GR-FSE can experience carbon buildup on intake valves, causing rough idling and decreased performance.

Cooling system issues

Problems with the radiator or water pump can lead to overheating, which can cause severe engine damage.

Timing chain tensioner failure

Timing chain tensioners can wear out, leading to timing chain slack, engine misfires, or even engine damage.

Ignition coil failure

Ignition coils may fail over time, leading to misfires, rough running, and decreased performance.

Fuel injector problems

Direct fuel injectors can get clogged or fail, causing poor fuel economy, rough idling, and performance issues.

Pcv valve malfunction

A faulty Positive Crankcase Ventilation (PCV) valve can cause rough idling, increased oil consumption, and engine sludge buildup.

Sensor failures

Sensors such as the MAF (Mass Air Flow) sensor or O2 (Oxygen) sensors can fail, leading to incorrect air-fuel mixture and poor engine performance.

Knocking or pinging

High compression engines like the 4GR-FSE can experience knocking or pinging, especially if low-quality fuel is used. This can lead to engine damage if not addressed.