There are several different codes for its failure; P0442 is responsible for small 0.2-0.4 inches leakages. This code often appears when the gas cap is loose, as it was damaged, or the driver forgot to tighten it after refueling. The mistake is not fatal, though, as the engine still ...
There’s never a good time to have the Check Engine Light come on. However, some codes aren’t as serious as others, making them more manageable to deal with. One such DTC is the P0442 code. While it can be alarming if you don’t know much about it, there’s not normally a ...
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. The evaporativ...
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 ...