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01 f150 4.2 failure

This topic contains 0 replies, has 1 voice, and was last updated by chris howell chris howell 7 months, 3 weeks ago.

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    chris howell
    chris howell
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    Hey how are you I watch your videos all time such good info I was wondering if you could give me some helpful advice, I have a 4.2 01 f150 and it’s misfiring running lean(p0171) and no scan tool could read it and I brought it to a mechanic and was told I have basically no cylinder 4 do you think it could be a bad computer because everything in the fuel system is new,new spark plug new spark plug wires be maf if you could reach back that would be great thank you for your time

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