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    mike0531's Avatar
    mike0531 Posts: 8, Reputation: 1
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    #1

    Nov 21, 2011, 09:52 PM
    2001 honda crv starts ruff some of the time then runs fine
    Throws code for miss fire in clynder 1. changed plugs, wires, cap and rotor, fuel filter and adjusted the valves
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    Nov 22, 2011, 07:42 AM
    Replacing the Ignition Control Module (ICM) and coil inside the distributor should solve the problem.

    Note: It's best to only use properly gapped NGK plugs in Hondas. Lightly coat the outside porcelein portion of the plug with dielectric grease and carefully center the spark plug wire's spring electrode over the plug.
    mike0531's Avatar
    mike0531 Posts: 8, Reputation: 1
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    #3

    Nov 22, 2011, 07:25 PM
    Ill try that next I did use NGK plugs and gaped them and everything. If it is the ICM would it only start ruff some of the time or would it be all of the time?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #4

    Nov 22, 2011, 07:35 PM
    There are so many different manifestations of a bad ICM that it is not funny. Problems often appear only some of the time.
    mike0531's Avatar
    mike0531 Posts: 8, Reputation: 1
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    #5

    Dec 3, 2011, 01:36 PM
    I changed out the ignition coil should I also change the icm?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #6

    Dec 3, 2011, 03:25 PM
    mike0531, I would. I would also replace the rotor and distributor cap, if they have not been replaced in 60,000 miles.
    mike0531's Avatar
    mike0531 Posts: 8, Reputation: 1
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    #7

    Dec 3, 2011, 07:09 PM
    I had already changed the cap and rotor. Just changed the ignition coil and ICM and it seems to be good so far. Although it has seemed OK before for a little while. Now I just need to watch it and hope. Thanks for all the advice Txgreasemonkey you ve been very helpful
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