Question about 1999 Chevrolet Silverado 1500
My fuel pump relay will not click , the wire from the relay to the pcm , when you first turn key on the voltage will be b+ then it will drop off to 4.5 volts , is that norm , i have pulled the pcm and tested the wires and checked the wire to all other pins , all clean so the wire it good , does any one know if that is normal?, that truck has a bad hesitation ,but if you let up the tps just a little it is a lot better , at low speeds , on the freeway it does not hesitate, so at high rpms it's ok , any idea's ,thanks
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Posted on Jan 02, 2017
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