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03-07-2017, 11:31 PM | #1 |
Registered User
Join Date: Mar 2001
Location: Houston, tx
Posts: 141
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New Rebuild - Grounding Question
Just put my engine back in a 99 Suburban. It starts up and runs for a sec and dies. I'm not sure if the fuel pump is coming on. The fuel pump was working fine before I pulled the engine. I'm thinking maybe a ground wire didn't get hooked up or something. Is there only only one wire that gets bolted to the ground at the back of the head? Any other ideas of what might be wrong? Thanks
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03-08-2017, 12:19 PM | #2 |
Registered User
Join Date: Mar 2001
Location: Houston, tx
Posts: 141
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Re: New Rebuild - Grounding Question
I broke the oil sender switch at the back of the engine and had to buy a new one. Hopefully I didn't get a bad part.
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03-08-2017, 03:00 PM | #3 |
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Join Date: Jan 2006
Location: Big Pine Key, FL
Posts: 742
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Re: New Rebuild - Grounding Question
Do you have oil pressure on the gauge when you start it?
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Mike |
03-08-2017, 03:41 PM | #4 |
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Join Date: Mar 2001
Location: Houston, tx
Posts: 141
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Re: New Rebuild - Grounding Question
Yeah, the oil pressure reads pretty good pressure during cranking.
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03-08-2017, 07:04 PM | #5 |
driving is in my blood
Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,687
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Re: New Rebuild - Grounding Question
Fuel pump is coming on otherwise it wouldn't start at all.
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-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me. |
03-08-2017, 08:33 PM | #6 |
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Join Date: Mar 2001
Location: Houston, tx
Posts: 141
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Re: New Rebuild - Grounding Question
Ok, I powered the fuel pump thru the connector where the relay goes in and fuel pressure goes to 60 psi. Relay checks out good. So, if the fuel pump is powering on, any ideas on what to check next? I poured just a little fuel down the throttle body and it did seem to run for a sec or two more.
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03-09-2017, 10:18 AM | #7 |
Registered User
Join Date: Mar 2001
Location: Houston, tx
Posts: 141
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Re: New Rebuild - Grounding Question
Not sure what happened, but tried again this morning and it started right up. Maybe a lot of air in the fuel lines needed to purge out??
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03-10-2017, 08:59 PM | #8 |
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Join Date: May 2013
Location: Centerville,Ma.
Posts: 1,223
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Re: New Rebuild - Grounding Question
Doncha love it when they fix themselves.
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03-13-2017, 09:22 AM | #9 |
Registered User
Join Date: Mar 2001
Location: Houston, tx
Posts: 141
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Re: New Rebuild - Grounding Question
Yep, of course that almost never happens to me. All I can think of is there was some air trapped in the fuel line.
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