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

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DTC P130D: ENGINE KNOCK/COMBUSTION PERFORMANCE: FORCED LIMITED POWER

Description:	This DTC sets when 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 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 .