Question about 1994 GMC Jimmy
I have fuel going from the fuel pump to the engine but not to the motor i dont think its the spider system but i think its to do with the wires someone where what wires shoul i check
Purchase a "noid" fuel injector tester from an auto parts store; it is a small light attached to a fuel injector plug unplug an injector from the wiring harness and plug in the "noid" to the injector harness connector you just removed; start the engine: if the "noid" flashes when you crank the engine you will know that that fuel injector has power to it, then: use the "noid" to check each injector in turn. if the injectors are good test the fuel pressure with a fuel pressure gauge; low pressure suspect a bad fuel filter.
Posted on Jul 27, 2010
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Posted on Jan 02, 2017
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