Most Common Car Issues

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Engine Configuration

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Engine Number of Cylinders

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Model

Model Year

MOST COMMON PROBLEMS

HONDA Civic 1991

The 1991 Honda Civic CRX/CRX HF is a classic coupe featuring a 1.493-liter in-line 4-cylinder engine, delivering between 62 to 72 hp. Manufactured in Suzuka, Japan, this lightweight vehicle comes with a 5-speed manual transmission and is designed for efficiency with its SOHC valve train. Known for its sporty yet economical performance, it's a timeless favorite among car enthusiasts.

Spec:

Engine Brake (hp) From

Engine Brake (hp) To

Engine Configuration

In-Line

Engine Manufacturer

Honda

Engine Model

D15B6

Engine Number of Cylinders

Problems:

Oil leaks

Common in older engines due to worn gaskets and seals.

Timing belt failure

The timing belt in the D15B6 engine can wear out or break if not replaced at recommended intervals, leading to potential engine damage.

Overheating

Can be caused by issues such as a failing radiator, water pump, or thermostat.

Head gasket failure

The head gasket can fail, leading to coolant leaks and potential engine overheating.

Valve cover gasket leaks

The gasket can degrade over time, causing oil to leak from the top of the engine.

Distributor issues

The distributor can wear out, leading to misfires and poor engine performance.

Idle fluctuations

The Idle Air Control Valve (IACV) can become dirty or faulty, causing unstable idle speeds.

Fuel injector clogs

Dirty or clogged fuel injectors can lead to poor engine performance and fuel economy.

Exhaust manifold cracks

The exhaust manifold can develop cracks due to heat stress, leading to exhaust leaks and increased engine noise.

Egr valve malfunction

The Exhaust Gas Recirculation (EGR) valve can get clogged or fail, causing rough idling and decreased fuel efficiency.

HONDA Civic 1990

The 1990 Honda Civic CRX/CRX HF EX is a compact, fuel-efficient hatchback produced in Suzuka, Japan. It features a 1.5L in-line 4-cylinder engine (D15B6) by Honda, delivering between 62 to 72 horsepower. This model boasts a lightweight design, automatic seat belts, and is classified under Class 1 for Gross Vehicle Weight Rating. Perfect for drivers seeking reliability and economical performance.

Spec:

Engine Brake (hp) From

Engine Brake (hp) To

Engine Configuration

In-Line

Engine Manufacturer

Honda

Engine Model

D15B6

Engine Number of Cylinders

Problems:

Oil leaks

Common in older engines like the D15B6 due to worn gaskets and seals.

Timing belt failure

If not replaced at recommended intervals, it can lead to severe engine damage.

Overheating

Often caused by a failing water pump, radiator issues, or a stuck thermostat.

Poor fuel economy

Can be due to a clogged fuel filter, dirty injectors, or a malfunctioning oxygen sensor.

Excessive oil consumption

Worn piston rings or valve seals can cause the engine to burn oil.

Idle issues

Could be caused by a dirty idle air control valve or a malfunctioning throttle position sensor.

Ignition problems

Worn spark plugs or a failing ignition coil can lead to misfires and poor engine performance.

Vacuum leaks

Can affect the air-fuel mixture and lead to rough idling or stalling.