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2003 Chevrolet Cavalier Question: my engine light came on i checked it with the OBD2 and the code is PO171andPO170

 

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mannym37, Chicago, IL, May 04, 2012, 20:00
 Rookie

I just put a engine from the junk yard and it runs good and its nice and quite but when sitting at a red light it feels like it wants to take off by its self what should i check first?

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  • Answer #1

    Greg's Orange Auto (13637 Answers) , Orange, CA - (714) 361-9386
    globalhelper May 04, 2012, 21:35
     Master

    suspect a vac leak somewhere. if you have access to a smoke mach have them do that test and you will find the leak

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