| Condition | Possible Cause | Action |
|---|---|---|
|
Excessive detonation (The engine makes sharp metallic knocks that change with throttle opening. Sounds like pop corn popping.)
|
Engine overheating
|
Condition “Engine overheating”
|
|
Faulty spark plug
|
||
|
Clogged fuel filter and fuel lines
|
||
|
Malfunctioning EGR valve (if equipped)
|
||
|
Poor performance of knock sensor, ECT sensor or MAP sensor
|
||
|
Faulty injector
|
||
|
Faulty ECM
|
||
|
Excessive combustion chamber deposits
|