Question about Chevrolet K2500
This is a fuel supply problem start by checking for pressure at the injector rail if none you will have to check for power at the fuel pump conection at the tank power will only be present when key is in start position if you have power fuel pump is faulty if no power you will have to check the relay and fuel shutoff .there may also be a fuse in the system if blown you will have to dtermin why it failed before just replacing.
Posted on Mar 15, 2011
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Posted on Jan 02, 2017
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The computer controls the injection of the fuel. If you look at the wiring diagram you will note the bottom 4 pins that are the negative and positive to the left and right injection. Atleast on my 1991 it is .Could be the ecm or computer is sending a false signal or not sending one at all. A sign of this is the fuel pump in the gas tank can be heard and will continue to run as if pressure in the fuel system is not building. Tthe truck want crank as if no fuel. When starter fluid is injected into the Throttle body the egine will start and run untill fluid is used up. It will keep running as long as fluid is added.
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