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2004 Ford Expedition it is osculating while idling

Home Forums Stay Dirty Lounge Service and Repair Questions Answered Here 2004 Ford Expedition it is osculating while idling

This topic contains 1 reply, has 2 voices, and was last updated by Nightflyr * Richard Kirshy 1 month, 3 weeks ago.

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  • #992464
    Joy Mayberry
    Joy Mayberry
    Participant

    The air intake, throttle body and idle air intake has been cleaned. Put it on the code reader (due to no change in the idling) nothing comes up on the reader. Can someone please help me fond out what is wrong? Thank you

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  • #992514
    Nightflyr *
    Richard Kirshy
    Participant

    You say ” osculating while idling ” I take you mean it’s shaking.
    My first thought is attach a scan tool and look at live data and see if any reading are off where they should normally be.
    I’m thinking first look at the fuel trims, both STFT and LTFT and see if they look good.

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