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09-15-2018, 06:00 PM | #1 |
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Join Date: Jul 2018
Location: Cheshire, CT
Posts: 5
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Starting issue after fuel tank and lines installed
New tank and lines (lines new from bell housing connection and lower). Never touched the lines going into the Central SFI. Depressing the schrader valve on the feed line shows fuel up to that point (beyond any repaired lines, etc.) Yet the truck won't start. It started and ran fine prior to this repair. Now ... nothing. I had four plug wires off at the distributor (they were blocking access to the fuel line connections), but I numbered them before removal and have since verified the firing order is correct. Any ideas folks? I'd appreciate any feedback. Thanks.
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'97 GMC Sierra K2500 SLE XC 5.7L |
09-15-2018, 06:28 PM | #2 |
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Location: Sacramento, CA
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Re: Starting issue after fuel tank and lines installed
Turn over? Hear fuel pump prime with key on?
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09-15-2018, 07:46 PM | #3 |
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Join Date: Jul 2018
Location: Cheshire, CT
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Re: Starting issue after fuel tank and lines installed
Turns over fine. You can hear the fuel pump prime with the key on. The feed line is pressurized. I cracked it at the fuel filter before I tried the schrader valve. It's getting fuel (at least up to the schrader valve).
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'97 GMC Sierra K2500 SLE XC 5.7L |
09-15-2018, 09:49 PM | #4 |
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Join Date: Sep 2018
Location: Moss Bluff, LA
Posts: 381
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Re: Starting issue after fuel tank and lines installed
Try cracking the fitting, possible air trap against the injector ?
Possibly knocked the ignition wire into the distributor loose ? Verify spark. |
09-16-2018, 12:41 AM | #5 |
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Join Date: Jan 2006
Location: Smithfield, VA
Posts: 1,501
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What's the pressure
Measure the fuel pressure with KOEO. If you don't have a pressure gauge and don't want to buy one, you can borough one free at O'Reilly's.
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09-16-2018, 12:46 AM | #6 |
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Join Date: Jun 2013
Location: Somewhere
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Re: Starting issue after fuel tank and lines installed
Duh. Get some B12 and shoot it into the intake. Crank. If it fires, it's a fuel problem. Then measure things.
Asking the internet for nonsense answers is not troubleshooting. Thinking is a better approach. |
09-16-2018, 02:19 PM | #7 |
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Location: Cheshire, CT
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Re: Starting issue after fuel tank and lines installed
Some of us are more knowledgeable than others with these things. Thanks to those who took the time to offer constructive advice and possibilities to check. I appreciate the input.
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'97 GMC Sierra K2500 SLE XC 5.7L |
09-16-2018, 02:32 PM | #8 |
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Join Date: Sep 2018
Location: Moss Bluff, LA
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Re: Starting issue after fuel tank and lines installed
I am leaning toward lack of spark...possibly even a grounded power wire.
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09-26-2018, 08:41 AM | #9 |
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Join Date: Jan 2006
Location: Smithfield, VA
Posts: 1,501
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Re: Starting issue after fuel tank and lines installed
Well ?
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