Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Intake air leaks– Exhaust gas leaks– Inappropriate fuel pressure– Faulty fuel injectors Tech description Replacing the Rear Heated Oxygen Sensor Bank 1 usually takes…
Tag: PONTIAC
P2271 PONTIAC HO2S Signal Stuck Rich Bank 1 Sensor 2
Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Intake air leaks– Exhaust gas leaks– Inappropriate fuel pressure– Faulty fuel injectors When is the obd code mean? The Powertrain Control Module (PCM) detected…
P1175 PONTIAC Fuel Trim Cylinder Balance Bank 2
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 P1175 Symptoms –…
P0705 PONTIAC Transmission Range Sensor Circuit Malfunction
Possible causes – Faulty Park/Neutral Position Switch– Misadjusted Park/Neutral Position Switch– Park/Neutral Position Switch harness is open or shorted– Park/Neutral Position Switch circuit poor electrical connection When is the obd code mean? The transmission range switch detects the selector lever position and sends a signal to the Powertrain Control Module (PCM). Symptoms – Engine Light…
P0706 PONTIAC Transmission Range Switch Performance
Possible causes – Faulty Park/neutral position switch– Misadjusted park/neutral position switch– Park/neutral position switch harness is open or shorted– Park/neutral position switch circuit poor electrical connection When is the obd code mean? The transmission range switch detects the selector lever position and sends a signal to the TCM. Symptoms – Engine Light ON (or Service…
P0604 PONTIAC Control Module Random Access Memory
Possible causes – Faulty Powertrain Control Module (PCM)– PCM harness is open or shorted– PCM circuit poor electrical connection– PCM Programming Tech description Check the Powertrain Control Module (PCM) fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogram or replaced the PCM. When…
P0601 PONTIAC Power Control Module Internal Fault
Possible causes – Faulty Powertrain Control Module (PCM)– Powertrain Control Module (PCM) harness is open or shorted– Powertrain Control Module (PCM) cicuit poor electricl connection– Low battery voltage Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0601 PONTIAC OBD Code Description The Powertrain Control Module (PCM) EEPROM contains data which is essential…
P1621 PONTIAC Control Module Long Term Memory Performance Condition
Possible causes – Faulty Powertrain Control Modules (PCM)– Low car battery voltage When is the obd code mean? If the checksum of the Electronically Erasable Programmable Read Only Memory (EEPROM) does not match a predetermined value by the Powertrain Control Modules (PCM), DTC P1621 will set. Symptoms – Engine Light ON (or Service Engine Soon…
P0140 PONTIAC O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2
Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor 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 Rear Heated Oxygen Sensor Bank…
P0137 PONTIAC HO2S Circuit Low Voltage Bank 1 Sensor 2
Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor 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 Rear Heated Oxygen Sensor Bank…