Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

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Old Dec 20, 2016 | 07:19 AM
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96 Chevy 3500 dually, 6.5.new batteries new starter.even switched to spares on pmd.has hard cold start issues since I got it.smokes from tail pipe intermittently. No codes .lift pump never changed.got fuel to all injectors. But could it be lift pump?
 
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Old Dec 20, 2016 | 11:47 AM
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Does the lift pump have a weep hole, like a Cummins does?
 
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Old Dec 20, 2016 | 12:22 PM
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I find it ironic that the Glow Plug Warrior didn't advise going through your glow plug system.

As for the lift pump, open the t valve with the engine running. If you get a good steady flow without the engine dying, it's ok.
 

Last edited by burnhedge; Dec 20, 2016 at 12:30 PM.
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Old Dec 20, 2016 | 12:36 PM
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Originally Posted by burnhedge
I find it ironic that the Glow Plug Warrior didn't advise going through your glow plug system.

As for the lift pump, open the t valve with the engine running. If you get a good steady flow without the engine dying, it's ok.
IT WON'T START!!!!
 
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Old Dec 20, 2016 | 01:02 PM
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Originally Posted by burnhedge
I find it ironic that the Glow Plug Warrior didn't advise going through your glow plug system.

As for the lift pump, open the t valve with the engine running. If you get a good steady flow without the engine dying, it's ok.
Not sure.at work and it's like 12 degree outside.
 
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Old Dec 20, 2016 | 02:37 PM
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Originally Posted by j.macdually
IT WON'T START!!!!
My bad, just read the post and ignored the title. You can jump power to the lift pump to see if it is functional.

It's a electric lift pump so no not like a cummins
 
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