90-91 ECS KNOCK SENSOR – L98

Description

Knock Sensor: Detects cylinder block vibrations caused by engine knock and sends a signal to the computer to retard ignition timing.

Failure Symptoms: Engine knock, loss of power, Malfunction Indicator Lamp is on.

Electrical components such as a sensor are non-returnable parts.

Always refer to a factory service manual when diagnosing engine service problems. You can damage electrical components if the proper procedures are not followed. Be sure you are replacing thecorrect part.

For more information, please check out our Tech Blog