My f150 5.4 bucks at 50 60 mph why

Asked by Thomas Feb 02, 2017 at 01:08 PM about the 2004 Ford F-150 XL Ext. Cab 4WD

Question type: Maintenance & Repair

At 50 to 60 mph in overdrive it bucks 3/4 times I turn off overdrive it doesn't do
it what could it be it has 82k on it

3 Answers
189,455

Paul answered 7 years ago

A few things to look at and could cause your issue, fuel filter needs to be changed, O2 Sensors, bad wires or bad plugs, power train control module (PCM).

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F_O_R answered 7 years ago

You may have a bad ignition coil. Is the CEL on?

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