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Reply To: 2004 Ford Expedition it is osculating while idling

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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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