need help
#1
need help
I have a 2003 Ford f150 xlt with a 4.6 v8. It idles rough and when driving, if you ease into the throttle you can pick up speed but if you push the throttle hard it cuts out and won't accelerate. Acts like it's not getting enough fuel but I just changed the fuel pump and filter. Also changed plugs, coils, tps, and egr feedback sensor. I'm thinking it may be o2 sensors but there's no check engine light. Any thoughts?
#3
I believe Kyle offered a worthwhile suggestion, and replacing good parts can get pretty expensive and disappointing. A decent scan tool that can provide fuel trim info would be quite helpful at this point. A dirty throttle plate or MAF sensor could be involved.
#4
Right Hanky Kyle offered a good.
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BigRig Mechanic
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02-26-2009 06:12 PM