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1990 Nissan Pickup (D21) Question: Would a faulty catalytic converter cause the check engine light to come on?



, Selma, OR, April 03, 2012, 16:11

I went in for a smog test to register my truck in CA. The mechanic said that the catalytic converter needed to be replaced so it failed smog. Would that cause the check engine light to come on as well?

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    Miles Auto Services (884 Answers) , Richmond, VA - (804) 885-4176
    milesauto April 03, 2012, 16:22

    I know CA emission standards are higher than most of the other states so what they say is possible. My guess the state has a board that oversees that program and should have someone that can anwser questions and concerns that you may have.

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