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HO2 sensors Transmission malfunction Restricted pedal travel (carpet, etc) Accelerator pedal position (APP) sensor
and GO to Pinpoint Test G531330p5. For throttle motor tests, GO to Pinpoint Test G531330p24. For ignition system tests, Engine Ignition - VIN Range: G45704->G99999 For EGR valve tests, Engine Emission Control - VIN Range: G45704->G99999 Check for DTCs relating to HO2 sensors. Refer to the DTC index for pinpoint tests for DTC set. For transmission information, Check accelerator pedal travel. For APP sensor tests, GO to Pinpoint Test G531330p22. and GO to Pinpoint Test G531330p23.
Engine backfires
Fuel pump Fuel lines Air leakage MAF sensor HO2 sensors Ignition system Sticking variable camshaft timing (VCT) hub APP sensor
For fuel pump and line tests, 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 intake system, Intake Air Distribution and Filtering - VIN Range: G45704- >G99999 For MAF sensor tests, GO to Pinpoint Test G531330p1. Check for DTCs relating to HO2 sensors. Refer to the DTC index for pinpoint tests for DTC set. For ignition system tests, Engine Ignition - VIN Range: G45704->G99999 For VCT information, Variable Camshaft Timing (VCT) Oil Control Solenoid (18.30.90) For APP sensor tests, GO to Pinpoint Test G531330p22. and GO to Pinpoint Test |