Most Common Car Issues

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Engine Brake (hp) From

Engine Configuration

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Engine Number of Cylinders

MOST COMMON PROBLEMS

LEXUS ES 1990

The 1990 Lexus ES 250 is a classic executive sedan powered by a 2.5L V6 engine, producing 160 hp. Manufactured by Toyota, this 4-door saloon offers a comfortable ride with features like a driver-seat airbag and manual seat belts. With a gross vehicle weight rating under 6,000 lbs, it combines luxury with reliable performance.

Spec:

Engine Brake (hp) From

160

Engine Configuration

V-Shaped

Engine Manufacturer

Toyota

Engine Model

2VZ-FE

Engine Number of Cylinders

Engine Stroke Cycles

Other Engine Info

Transmission: 4A or 5M

Problems:

Oil leaks

V-shaped engines like the 2VZ-FE are prone to oil leaks, especially around the valve cover gaskets and oil pan.

Timing belt wear

The 2VZ-FE engine uses a timing belt that requires regular replacement. Neglecting this can lead to severe engine damage.

Overheating

Due to age and potential issues with the cooling system, 1990 Lexus ES models can experience overheating, often related to radiator or thermostat failure.

Ignition coil failure

Older ignition systems, such as those in a 1990 model, can suffer from ignition coil failures, leading to misfires and poor engine performance.

Fuel injector problems

Over time, fuel injectors can become clogged or fail, which can lead to rough idling, poor fuel economy, and decreased performance.

Vacuum leaks

Vacuum hoses and gaskets can deteriorate over time, causing vacuum leaks that result in rough idling and stalling.

Transmission issues

The transmission (either 4A or 5M) linked to the engine may develop issues such as slipping, harsh shifts, or fluid leaks.

Sensor failures

Sensors like the oxygen sensor or the mass airflow sensor can fail, leading to poor engine performance and increased emissions.

LEXUS ES 1991

The 1991 Lexus ES 250 is a four-door sedan powered by a 2.5L V6 engine producing 160 horsepower. Manufactured by Toyota Motor Corporation in Toyota City, Japan, this executive sedan offers a choice between a 4-speed automatic or 5-speed manual transmission. Featuring a driver's front airbag and manual seat belts, it caters to those seeking a blend of luxury and performance.

Spec:

Engine Brake (hp) From

160

Engine Configuration

V-Shaped

Engine Manufacturer

Toyota

Engine Model

2VZ-FE

Engine Number of Cylinders

Engine Stroke Cycles

Other Engine Info

Transmission: 4A or 5M

Problems:

Oil leaks

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

Overheating

Can be due to a failing cooling system, such as a faulty radiator, water pump, or thermostat.

Timing belt issues

The timing belt may wear out or break, leading to engine misfires or complete engine failure.

Fuel injector problems

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

Ignition system failures

Worn spark plugs, bad ignition coils, or issues with the distributor can lead to misfires and starting problems.

Valve cover gasket leaks

Can cause oil to leak onto other engine parts, leading to potential damage and performance issues.

Exhaust manifold cracks

Can lead to exhaust leaks, reduced engine performance, and increased emissions.

Mass air flow sensor failure

Can cause incorrect air-fuel mixture, leading to rough idling, stalling, and poor fuel economy.

Egr valve blockage

Can cause increased emissions and reduced engine performance.

Crankshaft position sensor failure

Can cause stalling, misfires, and starting problems.