Flashing check engine light? - Power Hungry Performance Forum

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Flashing check engine light?

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2004 to 2008 F-150 and Mark-LT
4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs.

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Sat, February 12th, 2011, 07:20 PM

jmt0645

semper fi

Join Date: Dec 2009

Location: mobile ,Al

Posts: 45

it flashes everytime it senses a miss fire but will only set a DTC if it miss fires for a prolonged amount of time. I'd also suggest pulling the plugs just to insure they are not fouled any.

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