Truck stalls out under braking,

Asked by Dec 26, 2015 at 07:40 AM about the 1994 GMC Sierra 1500 C1500 SLE Extended Cab LB

Question type: Maintenance & Repair

Sounds like it has a miss sometimes with fuel laoding

2 Answers


Probably need to start checking it over for a tune-up, the fuel regulator should be looked at,(test with a fuel pressure gauge) injectors probably dirty. Also check the EGR valve, may be bad or need cleaning of carbon deposits. May be stuck open.

Well it ended up being a melted vacume line. The plastic one on the backside of the TBI.

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