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The OBD2 code P0442 means that on your system you have a small air/vacuum leak. Apart from the seal on the gas gap, you must check the purge valve and the fuel tank pressure sensor are both working correctly. EVAP faults can be be notoriously difficult faults to pinpoint as the system only checks itself when the vehicle is actually operating and the ...


There a several things, that I would check at first. Gas cap or the seal on it. The connection between gas tank and gas cap. The seal between gas tank and the fuel pump under the rear seat. Can not believe, there could be the leak somewhere else.

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