Description OBD-II Trouble Code Description for P0456 Pontiac Evaporative Emission System Leak Detected (very small leak) What does this mean? OBD2 Code P0456 Pontiac definition: The Powertrain Control Module (PCM) at different times performs various tests on the EVAP system. OBD II Enhanced EVAP systems are in place to keep fuel tank vapors from venting…
Category: PONTIAC
Pontiac P0454 Evaporative Emission Control System Pressure Sensor Intermittent
Description OBD-II Trouble Code Description for P0454 Pontiac Evaporative Emission System Pressure Sensor/Switch Intermittent What does this mean? OBD2 Code P0454 Pontiac definition: The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. The EVAP control system pressure sensor is not used…
Pontiac P0455 EVAP System Large Leak Detected
Description OBD-II Trouble Code Description for P0455 Pontiac Evaporative Emission System Leak Detected (large leak) What does this mean? OBD2 Code P0455 Pontiac definition: This indicates a fuel vapor leak or lack of purge flow in the EVAP control system. It means a large leak has been detected. The (EVAP) emission control system prevents the…
Pontiac P0453 EVAP System Pressure Sensor/Switch High Input
Description OBD-II Trouble Code Description for P0453 Pontiac Evaporative Emission System Pressure Sensor/Switch High What does this mean? OBD2 Code P0453 Pontiac definition: The EVAP (Evaporative Emissions) System allows fuel tank vapors to be purged into the engine and burnt rather than expelled into the atmosphere as harmful emissions. The EVAP system contains a pressure…
Pontiac P0452 EVAP System Pressure Sensor/Switch Low Input
Description OBD-II Trouble Code Description for P0452 Pontiac Evaporative Emission System Pressure Sensor/Switch Low What does this mean? OBD2 Code P0452 Pontiac definition: The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. The EVAP control system pressure sensor is not used…
Pontiac P0450 EVAP Emission System Pressure Sensor
Description OBD-II Trouble Code Description for P0450 Pontiac Evaporative Emission System Pressure Sensor/Switch What does this mean? OBD2 Code P0450 Pontiac definition: The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. The EVAP control system pressure sensor is not used to…
Pontiac P0451 Fuel Tank Pressure Sensor Range/Performance
Description OBD-II Trouble Code Description for P0451 Pontiac Evaporative Emission System Pressure Sensor/Switch Range/Performance What does this mean? OBD2 Code P0451 Pontiac definition: The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. The EVAP control system pressure sensor is not used…
Pontiac P0449 EVAP System Vent Valve/Solenoid Circuit
Description OBD-II Trouble Code Description for P0449 Pontiac Evaporative Emission System Vent Valve/Solenoid Circuit What does this mean? OBD2 Code P0449 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 P0448 EVAP System Vent Control Circuit Shorted
Description OBD-II Trouble Code Description for P0448 Pontiac Evaporative Emission System Vent Control Circuit Shorted What does this mean? OBD2 Code P0448 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 P0447 EVAP System Vent Control Circuit Open
Description OBD-II Trouble Code Description for P0447 Pontiac Evaporative Emission System Vent Control Circuit Open What does this mean? OBD2 Code P0447 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…