Question about Chevrolet HHR
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Posted on Jan 02, 2017
Any chance it occurred soon after filling up or adding fuel. ? Start by removing gas cap, cleaning the seal good on it, as well as threads and surface where cap seals in filler neck. Quite often it's just a bad/loose seal at gas cap. If that doesn't do it, you may need to replace cap, but check all your vacuum lines etc, just in case, if cleaning and making sure cap is tight doesn't do it.
Posted on Dec 31, 2009
get a new gas cap your evap sytem isnt working if the gas cap doesnt work then you might have a leak and check your EVAP purge valaves
Posted on Dec 07, 2011
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