Why is truck keep stalling?

Asked by Guru9KFF88 Aug 22, 2022 at 07:37 PM about the 1995 GMC Sierra 1500 C1500 SLE Extended Cab SB

Question type: General

Starts and runs fine, then will stall, then won't start back up
unless you hold throttle to the floor, and keeps doing
periodically

2 Answers
38,955

beatupchevy answered about a year ago

Does it reek of gas ? Maybe the injector(s) are stuck open or dumping fuel . I've heard flooring it eliminates the injector pulse .

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202,515

Ed92626 answered about a year ago

I'll assume that periodically means when you go somewhere and the engine has warmed up, you stop and the engine wont restart until it has cooled a bit..... You have leaking injectors. The hot engine keeps the excess fuel atomized and when you start, and that cloud fills the cylinder and fouls plugs. When you go to full throttle, that initiates the Wide Open Throttle and turns off the negative pulse to the injectors. This is a program in the computer that's specifically meant to get you out of a flooded engine situation. Just get the injectors checked; you likely need to replace them.

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