Question about 1993 GMC Sierra
Check to make sure that your not loosing fuel pressure once your truck dies if there is a leak your fuel system may have to prime itself. Also check and make sure your fuel system is holding the correct fuel pressure while running you could have a fuel pump thats going bad on you.
Posted on Feb 22, 2012
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Posted on Jan 02, 2017
No fuel from main fuel line? Possible plugged fuel filter? Blown fuel pump fuse? Bad fuel pump or plugged intake sock filter in fuel tank?
Posted on Jul 16, 2009
there a grounding problem in the wiring have you tried to disconnect the horn wiring if so you try tracingit from there if you know how to
Posted on Aug 01, 2009
Check for a bad temperature sensor. To check it, remove it first. Using an ohmmeter measure its resistance, which should decrease when dipped in hot water. If the the resistance remain high and doesnt change then you know it is bad, and you don't end up wasting money on buying one when it is still good.
Posted on Aug 12, 2009
The fuel pump should be in the 20s. Also it could be losing presure slowly. Leave the fuel pump pressure gage on for at least 2 to 3 hours to see if it is losing pressure - It's a start
Posted on Oct 14, 2009
check for a spark if no spark and no fuel to feed bar for injectors ,then try spare key if that doesnt work then its dealer only to look at immobilisor
Posted on Nov 21, 2009
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