Question about 1995 GMC Sierra C1500
I figure that there would be at least small amount of fuel coming from at least one port, what would make both stop simultaneously on half tank? fires right up with gas poured in.
Sounds like the fuel pump in the gas tank quit working.
There should be a port on the fuel line where you hook up a gauge to check pressure.
You might want to check the pump relay to see if the pump is getting power when you turn the key on.
Posted on May 02, 2013
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Posted on Jan 02, 2017
Hey there boatright33,
A few things things immediately come to mind.
There may be a problem with the engine controller. You could check the ODBII onboard diagnostics. Auto part stores will usually do this for you at no cost.
When you pulled the ones that were/went bad, how did the filters look? Could there be particulate matter still in the tank causing them to fail.
I always put this one off until last. Check the injectors. Are they gummed up?
Let me know what you find out
Posted on Aug 12, 2008
There is special disconnect tool just for 98-00 classic CK pickups. Lisle makes them they are a two piece plastic tool that is pretty cheap to buy. Do not buy a regular disconnect tool bcause they will not fit in the lines at the pump. The lisle number at Carquest is 37500. Please rate.
Posted on Dec 27, 2008
SOURCE: Wacky fuel gauge.
to coorrect this u will need to pull the gas tank and replace the fuel gage sending unit inside the gas tank, hwerwe is the part number for the fuel module which has the seding unit in it.
ACDELCO Part # SK1158
Posted on Jul 06, 2009
When you turn the key on you should hear the fuel pump run if not, (fuel pump should run for 2 seconds and turn off). first thing to check is your fuel pump cut off switch which goes off in case of an accident. Next thing to check on the fuel line is find a Schrader valve to check for fuel pressure. If you have pressure you may have a different problem. If you don't have pressure or not sure hooked up a test light to the Power Supply at the fuel pump. If the light goes on you have power to the fuel pump. You may have a clogged fuel filter. If the fuel pump is still not working you may have a bad fuel pump or bad ground. Splice a wire into the ground and grounded it. If the fuel pump doesn't work pull it out and manually test it. If the fuel pump does work check all your grounds and make sure their cleaning connected to the body good. If this does not work Get a wiring diagram to figure out where the problem is. Good luck
Posted on Jun 11, 2010
Testimonial: "Thank you very much .. it turn out to be a bad connection on the plug."
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