Question about 2004 Pontiac Aztek

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Once and a while car wont start

Car runs great but once and a while it wont start for no aperent reason ..Had a guy with a code reader check and it states it has something to do with my gas cap and not enough pressure ...Does this make sence ??? Thanks in Advance

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  • leeland17 Jun 03, 2009

    Thanks Man! This helped allot !!

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If the gas cap is off or defective this could be the source. GM's gas caps don't last, look at the o-ring and when it clicks, is it strong, and does it lock-on. If it all checks out then it could be a defective air-pump, or broken vacuum line.

Posted on Jun 03, 2009

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Posted on Jan 02, 2017

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