Engine backfiring through intake after remanned engine installed!?!?!?
#1
Engine backfiring through intake after remanned engine installed!?!?!?
2001 4.6l supercrew just dropped 5k on new remanned engine and it won't hardly run,it backfires through intake and shudders,then dies. Please help!! I am praying that I can fix this soon I am missing work and gonna lose my ***!
#2
#3
I paid an auto shop to do the install so I would assume that everything is plugged in correctly. I pulled the plug on the install after they replaced just about everything. New maf,o2's,upper and lower intake crankshaft sensor. Previous owner removed the ses light so they say they can't see codes. Not drivable at all. pops and kabooms out the intake during idle. Tries to. Learn up upon acceleration but still misses and chugs terribly
#5
removing the light from the dash does nothing w.r.t. being able to retrieve codes from the trucks computer, but if they did something upstream with the computer, then all bets are off for the truck to run correctly.
But you had a garage do the install, and they were trying to figure out why it wasn't working, and you had them stop? And you figured that people on this forum would have a better idea as to why the engine isn't working, so you'd get back on the road sooner?
But you had a garage do the install, and they were trying to figure out why it wasn't working, and you had them stop? And you figured that people on this forum would have a better idea as to why the engine isn't working, so you'd get back on the road sooner?
#7
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#8
Sounds like an injector or plug is not connected to its proper port. If it ran fine before the install, then it is either one of the aforementioned or it is out of timing. Sounds to me like something is not hooked up properly. I would not drive it at all due to risk of damaging internal engine parts.
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oldfordtrucksrule
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
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03-05-2003 10:20 PM