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Had a bad misfire changed all plugs and coils but it is still misfiring

(1999 Ford F-150)
in Ava, MO on October 22, 2014
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Popular Answer
on October 22, 2014
Did you INSPECT and note which plugs came out of which cylinders? Cylinder leak-down test , compression test , check for valve problems. Individual misfire or multiple (maybe all one bank?)???More info on conditions needed.
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