Question about 1985 Ford F150
Its a bad coil. coils boost the voltage of the spark to make it strong enough to ignite the fuel mixture. you will have no combustion per every cylinder with a bad coil. im pretty sure its electronic ignition on 2004+ 5.4l motors, so its not anything mechanical. if it was the ECM, you'd have no pre-coil voltage either.
Posted on May 02, 2010
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Posted on Jan 02, 2017
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