DTC P130D: Engine Knock/Combustion Performance - Forced Limited Power

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P130D - ENGINE KNOCK/COMBUSTION PERFORMANCE - FORCED LIMITED POWER

Description:	The powertrain control module (PCM) continuously monitors the knock system for concerns. This DTC sets when the PCM detects that the knock sensor (KS) voltage has exceeded a maximum value greater than a calibrated number of times within a set time period.
Possible Causes:	Poor fuel quality Base engine concerns Damaged spark plug Loose or corroded connector on ignition coil Lean fuel injector Long term fuel trim at lean limits Positive crankcase ventilation (PCV) system is leaking or the valve is stuck open Oil and filter maintenance beyond recommended intervals Charge air cooler (CAC) restriction Damaged PCM
Diagnostic Aids:	Engine performance may be limited to protect the engine if this DTC is set. 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 .