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1998 Ford Mustang Question: o2 sensor



Spc Pate, Rolla, MO, October 25, 2009, 16:51

check engine light is on and has custom exhaust, can that be it?

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  • Answer #1

    October 25, 2009, 18:35

    It could be the CAT if it was removed i would get a diagnostic to see what the problem is autozne does this for free.

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  • Answer #2

    Visitor, April 06, 2010, 12:07

    I had the same promble (check engine light). I stop using cheap gas and after 3 tanks of gas (plus), the light went out.

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