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…

P0113 PONTIAC Intake Air Temperature Circuit High Input

Possible causes – Faulty Intake Air Temperature (IAT) sensor– Dirty air filter– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor circuit poor electrical connection When is the obd code mean? – An excessively high voltage from the sensor is sent to ECM. Symptoms – Engine Light ON (or…

P0112 PONTIAC Intake Air Temperature Sensor Circuit Low Voltage

Possible causes – Faulty Intake Air Temperature (IAT) sensor– Dirty air filter– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor circuit poor electrical connection When is the obd code mean? When the PCM senses a signal voltage lower than the normal operating range of the sensor, this DTC…

P1111 PONTIAC Intake Air Temperature Sensor Circuit Intermittent High Voltage

Possible causes – Faulty Intake Air Temperature Sensor– Intake Air Temperature Sensor harness is open or shorted– Intake Air Temperature Sensor circuit poor electrical connection When is the obd code mean? The P1111 code is set when the Powertrain Control Module (PCM) senses a signal voltage higher than the normal operating range of the sensor….

P1112 PONTIAC Intake Air Temperature Sensor Circuit Intermittent Low Voltage

Possible causes – Faulty Intake Air Temperature Sensor– Intake Air Temperature Sensor harness is open or shorted– Intake Air Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1112 PONTIAC OBD Code Description The Intake Air Temperature (IAT) sensor contains a semiconductor device which changes resistance based…

P1346 PONTIAC Intake Camshaft Position Sensor System Performance

Possible causes – Faulty Intake Camshaft Position sensor– Faulty Camshaft Position Solenoid Valve– Engine mechanical condition – Valve timing off– Intake Camshaft Position sensor harness is open or shorted– Intake Camshaft Position sensor circuit poor electrical connection When is the obd code mean? The Powertrain Control Module (PCM) detected the actual cam timing and the…

P0325 PONTIAC Knock Sensor Circuit Malfunction

Possible causes – Faulty knock sensor– Knock sensor circuit poor electrical connection– Knock sensor harness is open or shorted– Faulty Powertrain Control System (PCM) Tech description The P0325 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems. Replacing the knock sensor usually…

P0327 PONTIAC Knock Sensor Circuit Low Input

Possible causes – Faulty knock sensor– Knock sensor circuit poor electrical connection– Knock sensor harness is open or shorted– Faulty Powertrain Control System (PCM) Tech description The P0327 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems. Replacing the knock sensor usually…

P0332 PONTIAC Knock Sensor 2 Circuit

Possible causes – Faulty knock sensor– Knock sensor circuit poor electrical connection– Knock sensor harness is open or shorted– Faulty Powertrain Control System (PCM) Tech description The P0332 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems. Replacing the knock sensor usually…

P0654 PONTIAC Engine Speed Output Circuit

Possible causes – Faulty Instrument Cluster– Instrument Cluster harness is open or shorted– Instrument Cluster circuit poor electrical connection– Faulty PCM When is the obd code mean? If the fault detection circuit senses a voltage other than what is expected, the fault line status changes causing the P0654 code will set. Symptoms – Engine Light…