emission test showed gas cap fail 2 times then pass..other fail was showing Check Engine light on when it was not...
I had previously taken gas cap off to make light come on to ensure working then disconnected battery to reset and make light go off...was no code light on before and none on now but runs a tad rough @ idle...happens cold or hot..changed plugs & wires & pcv & air filter and idle still a tad rough...thanks in advance for your help...
 
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