Had a problem with the coils, but that is fixed!!!! Now I have a studder in the transmission. It will not shift into the higher gears. I have done some research and I see this is a common issue and the transmission fluid needs changed. What is the best way to change the fluid and filter and how...
I have an 07 with 5.4l, I have replaced the throttle body and the spark plugs, but the truck will not accelerate past 40 mph and will only rev up to 3000. It keeps throwing codes that different ignition coils are bad? I plan on replacing all 8 of the coils, but could something else be causing...
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