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F355 P1127 / P1129

Discussion in 'Technical Q&A' started by JeffBarber, Aug 9, 2011.

  1. JeffBarber

    JeffBarber Karting

    Feb 6, 2011
    175
    Lascassas, TN
    Full Name:
    Jeff
    I've been getting this code pair within say 15 miles after I clear the codes, they always come in a pair. I've turned the battery off for half hour and cracked it back up letting it sit for 10minutes too. I've searched extensively on the net and there's not a lot of data on them, I'm not even sure what they mean but I'm guessing "too rich banks 1 and 2" but I could be wrong. If so, vacuum leak? MAF? Injectors? Does the fact that my bypass valve is wired open matter? HELP!
     
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  3. yelcab

    yelcab F1 World Champ
    Consultant

    Nov 29, 2001
    10,707
    San Carlos, CA
    Full Name:
    Mitchell Le
    I think you need to wait for Dave Helms to come along. He has a list of all ferrari specific CEL codes, which these two are.
     

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