2017-10-10
Illuminated check engine light
Decreased engine performance
Rough idle or stalling
Engine knocking or pinging sound
Increased emissions
Faulty knock sensor
Damaged or corroded wiring or connections in the knock sensor circuit
Loose or disconnected electrical connections
Failed engine control module (ECM)
Low
quality or incorrect fuel in the vehicle
Knock Sensor: Knock sensor detects knocking in the engine
Replace the faulty knock sensor
Check and repair any damaged or corroded wiring or connections in the knock sensor circuit
Tighten or reconnect any loose or disconnected electrical connections
Replace the engine control module (ECM) if necessary
Ensure high
quality fuel is used in the vehicle