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    strongduck's Avatar
    strongduck Posts: 1, Reputation: 1
    New Member
     
    #1

    Nov 20, 2008, 10:34 PM
    92 ford ranger is running ruff
    I have a 92 ford ranger that is running ruff.I have had the icm checked but to me it acts like an ignic prob. Any thoughts
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
    Cars & Trucks Expert
     
    #2

    Nov 22, 2008, 07:49 AM

    Usually, rough running is caused by loose or worn secondary ignition items: worn or fouled plugs, cracked or arcing wires, cap and/or rotor...

    However, things like injectors sticking or not being fired, or a worn valve train can mask the symptoms and make pinpoint diagnosis difficult.

    As you can see, many things can lead to a "ruff run" condition.
    Lots of inspecting to be done before changing any parts.

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