Description OBD-II Trouble Code Description for P0457 Acura Evaporative Emission System Leak Detected (fuel cap loose/off) What does this mean? OBD2 Code P0457 Acura definition: A fuel tank pressure change less than a minus (-) 7 inches of water in 30 seconds has occurred after refueling; or there is excessive purge (fuel vapor) flow greater…
Category: ACURA
P0454 Acura Evaporative Emission Control System Pressure Sensor Intermittent
Description OBD-II Trouble Code Description for P0454 Acura Evaporative Emission System Pressure Sensor/Switch Intermittent What does this mean? OBD2 Code P0454 Acura 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…
P0455 Acura EVAP System Large Leak Detected
Description OBD-II Trouble Code Description for P0455 Acura Evaporative Emission System Leak Detected (large leak) What does this mean? OBD2 Code P0455 Acura 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…
P0456 Acura EVAP System Small Leak
Description OBD-II Trouble Code Description for P0456 Acura Evaporative Emission System Leak Detected (very small leak) What does this mean? OBD2 Code P0456 Acura 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…
P0452 Acura EVAP System Pressure Sensor/Switch Low Input
Description OBD-II Trouble Code Description for P0452 Acura Evaporative Emission System Pressure Sensor/Switch Low What does this mean? OBD2 Code P0452 Acura 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…
P0453 Acura EVAP System Pressure Sensor/Switch High Input
Description OBD-II Trouble Code Description for P0453 Acura Evaporative Emission System Pressure Sensor/Switch High What does this mean? OBD2 Code P0453 Acura 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…
P0450 Acura EVAP Emission System Pressure Sensor
Description OBD-II Trouble Code Description for P0450 Acura Evaporative Emission System Pressure Sensor/Switch What does this mean? OBD2 Code P0450 Acura 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…
P0451 Acura Fuel Tank Pressure Sensor Range/Performance
Description OBD-II Trouble Code Description for P0451 Acura Evaporative Emission System Pressure Sensor/Switch Range/Performance What does this mean? OBD2 Code P0451 Acura 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…
P0448 Acura EVAP System Vent Control Circuit Shorted
Description OBD-II Trouble Code Description for P0448 Acura Evaporative Emission System Vent Control Circuit Shorted What does this mean? OBD2 Code P0448 Acura 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…
P0449 Acura EVAP System Vent Valve/Solenoid Circuit
Description OBD-II Trouble Code Description for P0449 Acura Evaporative Emission System Vent Valve/Solenoid Circuit What does this mean? OBD2 Code P0449 Acura 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…