Missfire

Asked by Clay Jan 23, 2020 at 10:49 PM

Question type: Maintenance & Repair

My truck was showing missfire on cylinder 6 so
replaced fuel injector. Then turned on truck ran
fine. Let it run a little then showed running lean and
miss fire on cylinders 7 and 8. Replaced fuel
injectors on those then showed miss fire again. I
replaced the spark plugs 4000 miles ago what is
going on.

1 Answer

Clay answered 4 years ago

Got my truck to finally work after changing coil pack and spark plug.THEN CODES WERE CLEAR WENT DOWN THE ROAD AND NO MISFIRES. THEN 30 MILES LATER MY 02 SENSOR CPDE SHOWS UP WITH BOTH SPEED SENSOR CODES SO WHAT DO I DO

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