Illustration for article titled How many miles should I drive after clearing a CEL...

...before getting the safety inspection? I occasionally get a P0442 code (small evap leak), and it popped up yesterday, a day before I go in for a safety/emissions retest (failed because of brake wear, since rectified).


Hopefully its’s just the gas cap. If so, is there anything that can be done to make a better seal? Ages ago I thought I heard/read something about petroleum jelly on the seal to rejuvenate it and seal better.


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