Question about 2003 Oldsmobile Alero
I have an2004 Oldsmobile Alero. It didn't pass emissions yesterday. the code that came up is p0042 what can I check?
Hi, a P0442 is Evaporative Emission Control System Leak Detected (small leak). Start with the simplest thing first, make sure the gas cap is on tight. If it is, replace it with a new GM part (not a cheap aftermarket one). If that doesn't fix it, there are more steps listed here:
Posted on Jan 03, 2009
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Posted on Jan 02, 2017
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