2017-10-10
Illuminated check engine light
Engine knocking or pinging sound
Loss of power or acceleration
Increase in fuel consumption
Engine damage if left unattended
Failed knock sensor
Faulty wiring or connections in the circuit
Loose or corroded electrical connections
Failed engine control module (ECM)
Knock Sensor: Knock sensor detects knocking in the engine
Replace the knock sensor
Check and repair any damaged wiring or connections
Tighten or clean any loose or corroded electrical connections
Replace the engine control module (ECM) if necessary