P0102 PONTIAC Mass or Volume Air Flow Circuit Low Input

Possible causes – Faulty mass air flow sensor– Intake air leaks– Dirty mass air flow sensor– Dirty mass air filter– Mass air flow sensor harness is open or shorted– Mass air flow sensor circuit poor electrical connection Tech description Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air…

P1174 PONTIAC Fuel Trim Cylinder Balance Bank 1

Possible causes – Faulty Oxygen sensor– Ignition problem– Fuel injection problem– Engine mechanical condition Tech description There is a factory service bulletin for the following Pontiac models: 2000-2001 Pontiac Transport2000-2002 Pontiac Firebird2000-2008 Pontiac Bonneville2000-2008 Pontiac Grand Am2000-2008 Pontiac Grand Prix2000-2008 Pontiac Sunfire2001-2008 Pontiac Aztek2002-2008 Pontiac Montana2000-2008 Pontiac Factory Service Bulletin OBDII Code P1174 Symptoms –…

P0650 PONTIAC Malfunction Indicator Lamp Control Circuit Malfunction

Possible causes – Faulty Malfunction Indicator Lamp Bulb– Malfunction Indicator Lamp Bulb harness is open or shorted– Malfunction Indicator Lamp Bulb circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? If the fault detection circuit senses a voltage other than what is expected, the fault line status will change…

P0108 PONTIAC Manifold Absolute Pressure/Barometric Pressure Circuit High Input

Possible causes – Faulty Manifold Absolute Pressure sensor– Manifold Absolute Pressure harness is open or shorted– Manifold Absolute Pressure sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? An excessively high voltage from the sensor is sent to ECM Symptoms – Engine Light ON (or Service Engine Soon…

P0108 PONTIAC Manifold Absolute Pressure/Barometric Pressure Circuit High Input

Possible causes – Faulty Manifold Absolute Pressure sensor– Manifold Absolute Pressure harness is open or shorted– Manifold Absolute Pressure sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? An excessively high voltage from the sensor is sent to ECM Symptoms – Engine Light ON (or Service Engine Soon…

P0105 PONTIAC Manifold Absolute Pressure/Barometric Pressure Circuit Malfunction

Possible causes – Faulty Manifold Absolute Pressure sensor– Manifold Absolute Pressure harness is open or shorted– Manifold Absolute Pressure sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? An excessively low or high voltage from the sensor is sent to ECM. Symptoms – Engine Light ON (or Service…

P0107 PONTIAC Manifold Absolute Pressure/Barometric Pressure Circuit Low Input

Possible causes – Faulty Manifold Absolute Pressure sensor– Manifold Absolute Pressure harness is open or shorted– Manifold Absolute Pressure sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? An excessively low voltage from the sensor is sent to ECM Symptoms – Engine Light ON (or Service Engine Soon…

P0107 PONTIAC Manifold Absolute Pressure/Barometric Pressure Circuit Low Input

Possible causes – Faulty Manifold Absolute Pressure sensor– Manifold Absolute Pressure harness is open or shorted– Manifold Absolute Pressure sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? An excessively low voltage from the sensor is sent to ECM Symptoms – Engine Light ON (or Service Engine Soon…

P0101 PONTIAC Mass Air Flow Sensor Performance

Possible causes – Faulty mass air flow sensor– Intake air leaks– Dirty mass air flow sensor– Dirty mass air filter– Mass air flow sensor harness is open or shorted– Mass air flow sensor circuit poor electrical connection Tech description Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air…