i have 94 gmc 1500 5.7 an i have to spray gas in the throttle to crank it what could it be

Asked by Feb 07, 2016 at 10:00 AM about the 1994 GMC Sierra 1500 C1500 SL Extended Cab SB

Question type: Maintenance & Repair

3 Answers

18,520

Fuel pump

5,305

not sure if your carb his this but there is a spring activated CHOKE and a "heat-riser" to make sure that it goes on...assuming a Carburetted model...not quite certain of the fuel injected models but would predict that this goodie is not working anymore~

69,615

Fuel pressure should be 9 to 13 lbs. Also the regulator in the TBI may need to be rebuilt, the spring gets weak.

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