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2003 Ford Taurus Question: check engine light on



James williams, 3.0L V6 DOHC, Dayton, OH, May 19, 2011, 05:11

has code p1131,p1151.p0171,p0174 please help me. It at idle sounds like it has a miss

2 Answers
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  • Answer #1

    May 20, 2011, 13:30

    You have codes for 2 oxygen sensors, and 2 codes for an overly lean condition. Best to have a shop really diagnose the cause of these codes by using a live data scan while driving the vehicle. The codes are just the beginning of the process, they only point out a condition that is abnormal, not exactly which part is defective. For example, I have seen a defective Mass Air Flow Sensor cause these codes, yet there is NO code for a bad Mass Air Flow Sensor .
    So my point is, have a skilled person diagnose the problem that is causing these codes.

    here are some shops;


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  • Answer #2

    Visitor, August 04, 2011, 15:34

    replace sparkplug wires

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