P130D - Engine Knock/Combustion Performance - Forced Limited Power

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DTC DESCRIPTION P130D - ENGINE KNOCK/COMBUSTION PERFORMANCE - FORCED LIMITED POWER

Description:	This DTC sets when the knock control system (KCS) detects excessive pre-ignition. The knock sensor (KS) voltage exceeds a maximum value greater than a calibrated number of times within a set time period when pre-ignition is present.
Possible Causes:	Fuel quality Base engine concerns Cooling system concerns Damaged spark plug Incorrect or corroded connections on ignition system harness connectors Lean fuel injector Long term fuel trim at lean limits Positive crankcase ventilation (PCV) system is leaking or stuck open Oil overfilled Oil and filter maintenance beyond recommended intervals Excessive oil consumption Charge air cooler (CAC) restriction
Diagnostic Aids:	Engine performance may be limited to protect the engine if this DTC is set. This DTC may be accompanied by other DTCs. Diagnose all other DTCs first. If no other DTCs are present, verify no base engine concerns are present before continuing with diagnosis. Refer to the appropriate Engine System article. The following driving conditions may cause this DTC to set: heavy acceleration from a stop, towing, carrying a heavy load or driving up a grade during a boost condition.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to Pinpoint Test DG.