Tag: PONTIAC

Possible causes – Faulty fan control relay– Faulty cooling fan 2– Fan control relay harness is open or shorted– Fan control relay circuit poor electrical connection– Fan cooling fan harness is open or shorted– Fan cooling fan circuit poor electrical connection When is the obd code mean? The P0481 code is detected when the Powertrain…

Possible causes – Faulty Front Heated Oxygen Sensor (HO2S) Bank 1– Front Heated Oxygen Sensor (HO2S) Bank 1 harness is open or shorted– Front Heated Oxygen Sensor (HO2S) Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Front Heated…

Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1114 PONTIAC OBD Code Description The Engine Coolant…

Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1115 PONTIAC OBD Code Description The Engine Coolant…

Possible causes – Faulty Engine Oil Pressure Switch– Engine Oil Pressure Switch harness is open or shorted– Engine Oil Pressure Switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1189 PONTIAC OBD Code Description The low oil pressure sensor is normally closed. When oil pressure increases above 1…

Possible causes – Faulty EVAP canister purge solenoid– Faulty Fuel Tank Pressure (FTP) sensor When is the obd code mean? The Powertrain Control Module (PCM) has detected vacuum flow to the Fuel Tank Pressure (FTP) sensor during a system sealed condition. Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Possible a noticeable…

Possible causes – Faulty EVAP canister vent valve– Faulty EVAP canister pruge valve– Plugged EVAP canister condition– Faulty EVAP pressure sensor When is the obd code mean? The ECM has detected pressure in the EVAP system during a non-purge condition. P0496 PONTIAC OBD Code Description The evaporative emission (EVAP) control system limits fuel vapors from…

Possible causes – Faulty Cooling Fan Relay– Cooling Fan Relay harness is open or shorted– Cooling Fan Relay circuit poor electrical component Symptoms – Engine Light ON (or Service Engine Soon Warning Light) – Cooling Fan not working P1642 PONTIAC OBD Code Description Ignition voltage is supplied to the Cooling Fan relay coil. The Powertrain…

Possible causes – Faulty crankshaft position sensor– Crankshaft position sensor harness is open or shorted– Crankshaft position sensor circuit poor electrical connection When is the obd code mean? The Powertrain Control Module (PCM) determines no signal from the Crankshaft Position (CKP) sensor for less than 3 seconds. Symptoms – Engine Light ON (or Service Engine…

Possible causes – Faulty crankshaft position sensor– Crankshaft position sensor harness is open or shorted– Crankshaft position sensor circuit poor electrical connection– Signal plate may be damage– Starter motor may be faulty– Starting system circuit– Dead or weak battery When is the obd code mean? The crankshaft position sensor (POS) signal is not detected by…