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GMC W4500: I have an GMC W4500 No start.

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Hello I have an GMC...
Hello I have an GMC W4500 No start.
Submitted: 2 years ago.Category: GMC
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Answered in 12 hours by:
5/14/2015
GMC Mechanic: Pete, GMC Mechanic replied 2 years ago
Pete
Pete, GMC Mechanic
Category: GMC
Satisfied Customers: 29,486
Experience: GM training and dealer tech for 14+ years. Diagnostics
Verified
My name is ***** ***** I am a professional here at Just Answer. I noticed that your question was not getting a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.
If the engine is cranking over but not starting check and see if the fuel filter is plugged up.In allot of cases I find this as a common cause and had to replace it.I would start with this here and let me know.If the engine is not cranking over with the starter let me know.
Thanks Pete
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Customer reply replied 2 years ago

It does crank. The problem started when they ran it out of fuel. So far I have drained tank. Installed new filter. Primed with hand primer. Seems like there is not enough fuel pressure at injectors. If I loosen nuts on injectors one at a time and crank it does not spray fuel. More of a water fountain type run out between nut and line. I have cranked and hand pumped. And still no better. I feel it's the pump. Or something restricting the flow.could the computer be bad? Where is the fuel shut off soleinoid? I have no power at the one electric plug on pump.

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Pete
Pete
Pete, GMC Mechanic
Category: GMC
Satisfied Customers: 29,486
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Experience: GM training and dealer tech for 14+ years. Diagnostics

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