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Old 05-08-2012, 08:02 AM   #1
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Hey everyone. Been gone for a while but need help. I'm at work and working on a 2002 GMC W4500. the issue is it doesn't want to start on it's own. If started with starting fluid it runs great. So far the other mechanic and I have changed:
Fuel pump
Fuel filter
Fuel pressure regulator
Plugs
Wires
Dizzy cap and rotor
MAP sensor
TPS
IAC valve

Losing patience and time as I need this truck 100% for a job at O'hare. Any advice would be appreciated.
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Old 05-08-2012, 09:10 AM   #2
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Have you confirmed fuel pressure at the rail?
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Old 05-08-2012, 09:24 AM   #3
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Don't these things have injector issues? Being leaky or something?
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Old 05-09-2012, 11:32 PM   #4
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Yes they do. Got it all figured out. Ended up having to replace the fuel spider in the manifold. Horribly clogged injectors. Thanks for the input
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Old 05-10-2012, 01:56 PM   #5
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that would have been my suggestion... at least now you know the fuel system is completly good to go!
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