Pontiac P0408 Exhaust Gas Recirculation Sensor B Circuit High

Description OBD-II Trouble Code Description for P0408 Pontiac Exhaust Gas Recirculation Sensor “B” Circuit High What does this mean? OBD2 Code P0408 Pontiac definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk located in the injection pump. The high resolution is one…

Pontiac P0406 Exhaust Gas Recirculation Temperature Sensor Circuit High Input

Description OBD-II Trouble Code Description for P0406 Pontiac Exhaust Gas Recirculation Sensor “A” Circuit High What does this mean? OBD2 Code P0406 Pontiac definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk located in the injection pump. The high resolution is one…

Pontiac P0405 Exhaust Gas Recirculation Position Sensor Circuit Low Voltage

Description OBD-II Trouble Code Description for P0405 Pontiac Exhaust Gas Recirculation Sensor “A” Circuit Low What does this mean? OBD2 Code P0405 Pontiac definition: There are different designs of EGR (Exhaust Gas Recirculation) systems, but they all operate in a similar way. The EGR valve is a PCM (Powertrain Control Module) controlled valve that allows…

Pontiac P0403 Exhaust Gas Recirculation Control Circuit

Description OBD-II Trouble Code Description for P0403 Pontiac Exhaust Gas Recirculation Control Circuit What does this mean? OBD2 Code P0403 Pontiac definition: The Exhaust Gas Recirculation (EGR) system is controlled by a vacuum solenoid. The solenoid is supplied ignition voltage. The Powertrain Control Module (PCM) controls the vacuum solenoid by grounding the control circuit(ground) or…

Pontiac P0404 Exhaust Gas Recirculation Control Circuit Range/Performance

Description OBD-II Trouble Code Description for P0404 Pontiac Exhaust Gas Recirculation Control Circuit Range/Performance What does this mean? OBD2 Code P0404 Pontiac definition: The EGR (Exhaust Gas Recirculation) system’s purpose is to redirect exhaust gas back into the cylinders. Since exhaust gas is inert, it displaces oxygen and fuel, thereby lowering cylinder temps, which, in…

Pontiac P0402 Exhaust Gas Recirculation Flow Excessive Detected

Description OBD-II Trouble Code Description for P0402 Pontiac Exhaust Gas Recirculation Flow Excessive Detected What does this mean? OBD2 Code P0402 Pontiac definition: EGR stands for Exhaust Gas Recirculation. It is part of the vehicle emmissions system, and is used to reduce combustion temperature and pressure to control Oxides of Nitrogen. There are generally three…

Pontiac P0400 Exhaust Gas Recirculation Flow

Description OBD-II Trouble Code Description for P0400 Pontiac Exhaust Gas Recirculation Flow What does this mean? OBD2 Code P0400 Pontiac definition: The exhaust gas recirculation (EGR) valve is vacuum controlled valve that regulates the amount of exhaust gases that re-enter the cylinders. The powertrain control module (PCM) determines how much based on engine load, temp,…

Pontiac P0401 Exhaust Gas Recirculation Flow Insufficient Detected

Description OBD-II Trouble Code Description for P0401 Pontiac Exhaust Gas Recirculation Flow Insufficient Detected What does this mean? OBD2 Code P0401 Pontiac definition: EGR stands for Exhaust Gas Recirculation. It is part of the vehicle emmissions system, and is used to reduce combustion temperature and pressure to control Oxides of Nitrogen. There are generally three…

Pontiac P0394 Camshaft Position Sensor B Circuit Intermittent Bank 2

Description OBD-II Trouble Code Description for P0394 Pontiac Camshaft Position Sensor “B” Circuit Intermittent What does this mean? OBD2 Code P0394 Pontiac definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk located in the injection pump. The high resolution is one of…

Pontiac P0392 Camshaft Position Sensor B Circuit Low Bank 2

Description OBD-II Trouble Code Description for P0392 Pontiac Camshaft Position Sensor “B” Circuit Low What does this mean? OBD2 Code P0392 Pontiac definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk located in the injection pump. The high resolution is one of…