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1988 Ford Bronco II Other - Engine
Question: First is has a 2.9l 4x4 manual with 140, 000 on it. It starts right up every time. but when you are at itle it seems to be missing and running rough, as you give it gas it seems to smooth out and revs right up then back fires. You go to pu into gear to go down the road and it acts like there is no power. I have checked timing even checked to see if it jumped timing tearing the timing chaincover off but everything was fine. changed both fuel filters, rotor, cap, sparkplugs, wires. All getting spark and fuel pumps are both running need help and lost?
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Technican: You are saying:
"Try disconnecting and plugging the egr valve. Does this improve idle?
If not it's probably time to check the camshaft and compression.
By the way, have you checked for troublecodes?" Here's How To Get Guaranteed Solutions In Minutes
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