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Misfire when decelerating

This topic contains 1 reply, has 2 voices, and was last updated by Nightflyr * Richard Kirshy 6 months, 3 weeks ago.

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  • #954495
    Lily Hodges
    Lily Hodges
    Participant

    Hello, I have a 2006 Pacifica Touring 3.5L. After passing someone or driving at highway speeds when I let off the gas the CEL flashes. This does not happen when accelerating. Scanner shows multiple misfires. I have replaced plugs, coil packs and upper intake manifold gaskets but nothing has helped. I would appreciate any help in solving this issue. Thanks

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  • #954498
    Nightflyr *
    Richard Kirshy
    Participant

    Best to be viewing / recording live data on the engine when the issue happens to see if anything stands out as unusual.

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