manifold. ECM checks the valves’ tightness and system pressure, and if the 0.2-0.4 inches leakage is detected, you can see the P0442 code. All codes from P0440 to P0457 refer to EVAP problems. A complete check-up of the EVAP system could take about an hour of labor and cost you $...
The P0456 is a generic code stating that the Engine Control Module (ECM) detected a small leak from the evaporative system. This leak was detected during a self-test. For the code to come on, the test must fail two times in a row before the Check Engine Light comes on. Theevaporative...
Jan 12/10 - Trouble Code P0112 - Intake Air Temperature (IAT) Circuit Low Input Jan 12/10 - Code P0016 - Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) Jan 7/10 - DTC P0404 EGR Code Dec 23/09 - P0021 DTC Code article Dec 4/09 - We're on Facebook, bec...
Vacuum test: Let the engine idle around 21 inches Hg. Disconnect the purge valve solenoid electrical connector to check the vacuum in the EVAP system. There should be no vacuum. If there is, the purge valve might be stuck open. Hand vacuum pump: You may be able to do this without the ...