Stumbling-backfiring no codes
#1
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Join Date: May 2012
Location: Dix, IL
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Stumbling-backfiring no codes
Hello
My first post, about my first F150. A 1995, 5.0, 2wd, auto, with 294,000.. The plugs, wires, cap, rotor, fuel filter, and CTS have been replaced.. Have tested the TPS, AITS, EGR valve (haven't tested EVPS yet).. No codes but the 111 unless I unplug sensors.. The CEL come on and off when driving it seem to run better when you hot rod it.. Today I'm going to look for slop in timing chain, and try testing PCM.. Any Ideas anyone?? Thanks..
My first post, about my first F150. A 1995, 5.0, 2wd, auto, with 294,000.. The plugs, wires, cap, rotor, fuel filter, and CTS have been replaced.. Have tested the TPS, AITS, EGR valve (haven't tested EVPS yet).. No codes but the 111 unless I unplug sensors.. The CEL come on and off when driving it seem to run better when you hot rod it.. Today I'm going to look for slop in timing chain, and try testing PCM.. Any Ideas anyone?? Thanks..
#3
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Join Date: May 2012
Location: Dix, IL
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Thanks, I didn't think about that .. it checks out and wires are routed correctly.. Didn't have any slop in the chain. Pulled the PCM and opened it up looks ok, clean, doesn't smell burnt.. EVP was a little out of range. Going to swap it tomorrow .. IDK??