1996 Tahoe please read I need help
Ok I have a 5.7 1996 Tahoe 4x4 I put new mass air flow sensors, new tune up plugs wires distributer cap and it's still bogging down when I drive like early in the morning if it's cold it will run like a champ but if I keep driving for some time it's starts to bogging down just cutting out but the truck won't cut off at all I'm lost for words really need help I really wanna keep this truck but the winter coming to sooo yea :(
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Could be fuel pump? Why did you do all the work tune up ect? Was this just routine, or did this issue exist prior to the tune up ect. ?
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Originally Posted by kevinkpk
(Post 329663)
Could be fuel pump? Why did you do all the work tune up ect? Was this just routine, or did this issue exist prior to the tune up ect. ?
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Is the problem consistaint? In other words, after 10 or 15 minutes it does this? I'd consider fuel pump
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Maybe you have slop in the timing chain?
Do like other fella said check fuel pressure, but if that checks out. . Take look at the chain. Also could you have bad intake gasket? Run engine take spray bottle and spray around edge of gasket to listen if it boggs down. Good luck. |
any dtc
check the fuel trim. the 02 sensors are ignored in open loop when cold. try unplugging both pre cat 02 sensors...this will set dtc but if the 02 are the problem, it will clear up the bogging |
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