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    scottbrown's Avatar
    scottbrown Posts: 1, Reputation: 1
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    #1

    Dec 3, 2010, 06:12 PM
    02 dodge 4.7 p1391 code help!!
    I have a 02 dodge ram 4.7 it keeps throwing p1391 code and is skipping and surging bad and often cuts off. Done replaced the cmp and ckm sensor and they fixed it for about a week. Now same problem but new sensors is not fixing my problem now any ideas?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    Dec 3, 2010, 06:54 PM

    . Clear the code with a code reader.

    . Ensure you have installed the same Champion spark plugs that originally came in the vehicle--no substitutes. I've seen major problems with cross-referenced spark plugs in Chrysler products, whereby they break down within weeks and the truck won't even start.
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