2017-10-10
Illuminated check engine light
Engine misfire or poor running
Excessive exhaust emissions
Engine performance issues during acceleration or while under load
Faulty knock sensor
Damaged or corroded wiring in the knock sensor circuit
Failed engine control module (ECM)
Incorrect fuel octane rating
Knock Sensor: Knock sensor detects knocking in the engine
Replace the knock sensor
Check and repair any damaged or corroded wiring in the knock sensor circuit
Replace the engine control module (ECM) if necessary
Use the correct fuel octane rating for the vehicle