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intake air flow) HO2S/Catalyst monitor sensor harness wiring ECM receiving incorrect signal from one or more
sensors and circuits listed.
P0174 Left-hand cylinders combustion too lean
Air intake leak between MAF sensor and Fuel filter/system restriction Fuel injector restriction Fuel pressure (IP) sensor failure (low fuel Low fuel pump output HO2S/Catalyst monitor sensor harness wiring Fuel temperature (EFT) sensor fault (low fuel MAF sensor fault (low intake air flow) Exhaust leak (before catalyst) ECM receiving incorrect signal from one or more
For intake system, Intake Air Distribution and Filtering - VIN Range: G00442- >G45703 For fuel injector, Fuel Charging and Controls - VIN Range: G00442->G45703 Fuel Charging and Controls - VIN Range: G00442->G45703 For fuel filter and pump, 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: G00442->G45703 For fuel pressure sensor, Fuel Charging and Controls - VIN Range: G00442->G45703 Fuel Charging and Controls - VIN Range: G00442->G45703 For HO2S/Catalyst monitor sensor tests, GO to Pinpoint Test G258127p10. GO to Pinpoint Test G258127p11. GO to Pinpoint Test G258127p12. For exhaust system, Refer to individual pinpoint tests for sensors listed. * If this DTC is flagged, pay particular attention to the MAF sensor.
P0175 Left-hand cylinders combustion too rich
Engine misfire Restricted air filter Check for "misfire detected" DTCs (P0300 to P0308) in this section. For intake system, Intake Air Distribution and |