Question about 2001 Ford F150 Styleside SuperCrew

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I have a 2001 f 150 and the coils keep going out on it. why does that keep happening?

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Check and make sure the connection leading into it are producing the right voltage then check the wires leading out into the distributor. another trick that might reveal some problems is open the hood at night...with the truck running... but with a flashlight in hand. be EXTREMELY careful. turn flash light off. give your eyes a chance to adjust..and look into where the sparkplugs are...the wires...and the coil...if you spot a flicker...sparks (looks like a constant or intermittent spark) from any part of your ignition delivery system. then hopefully you can trace the problem from there. as for testing the lead into the coil...should be 12 volts... the coil is simply a transformer to bump it up to thousands of volts to generate a spark. generally 3 things ruin these coils. heat (usually only a design problem) vibration (not likely due to the fact most are epoxy filled) or the voltage simply wears away at the insulation until it fails and shorts out..thus burning out (most common problem)

Posted on Mar 12, 2009


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