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Old 14 Nov 2008, 12:01 am
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Default i gots a 1990 honda civic 1.5 high performance engine that did't pass smog.emmision evap high

reading ? what repair can be done to air filter and convert
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Old 14 Nov 2008, 12:16 am
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if you have a aftermarket exhaust it will cause problems because you are not burning enough of the smog, through your exhaust and it will set that off. also next time that you go get it tested you should replace your stock intake, because unless you have your computer chipped to you fuel:air ratio, it will detect that you have a dad mixture that will make you not pass emmisions
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