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timing (VCT) hub APP sensor
DTC index for pinpoint tests for DTC set. For ignition coil circuit tests, GO to Pinpoint Test G531328p1. For VCT information, Engine For APP sensor tests, Electronic Engine Controls - VIN Range: G45704->G99999
Engine surges
Fuel pump Fuel lines MAF sensor Harness TP sensors Throttle motor Ignition system
Check the fuel pressure, check the fuel lines, Fuel Tank and Lines - 4.2L NA V8 - AJV8/4.2L SC V8 - AJV8/3.0L NA V6 - AJ27/3.5L NA V8 - AJV8, VIN Range: G45704->G99999 For MAF, TP sensor and throttle motor tests, Electronic Engine Controls - VIN Range: G45704->G99999 For ignition coil circuit tests, GO to Pinpoint Test G531328p1.
Engine detonates/knocks
Knock sensor (KS) circuit malfunction Fuel pump Fuel lines FRP sensor MAF sensor HO2 sensors Air leakage Sticking VCT hub BARO sensor malfunction (internal ECM fault)
For KS circuit tests, Electronic Engine Controls - VIN Range: G45704->G99999 Check the fuel pressure, check the fuel lines, Fuel Tank and Lines - 4.2L NA V8 - AJV8/4.2L SC V8 - AJV8/3.0L NA V6 - AJ27/3.5L NA V8 - AJV8, VIN Range: G45704->G99999 For FRP, MAF and HO2 sensor tests, Electronic Engine Controls - VIN Range: G45704->G99999 For intake system, Intake Air Distribution and Filtering - VIN Range: G00442->G45703 Check DTCs for VCT range/performance fault. For VCT information, Engine Refer to the warranty policy and procedures manual if an ECM is suspect. No throttle response
APP sensor malfunction TP sensors Throttle motor
For APP, TP sensor and throttle motor tests, Electronic Engine Controls - VIN Range: G45704->G99999
Poor throttle response
APP sensor malfunction For APP, TP, ECT and MAF sensor tests, Electronic Engine Controls - VIN Range: |