Knock control, cylinder 1 – control limit reached
Knock Sensor 4 Signal Too Low
Knock Sensor 3 Signal Too High
Knock Sensor 3 Signal Too Low
Knock Sensor 2 Circuit Short To Ground
Random/multiple cylinder(s) – misfire detected
Fuel metering solenoid – circuit malfunction
Turbocharger (TC)/throttle valve, hose connection – pressure loss
Engine cooling system – malfunction
