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Ask Gm Tech (Cam) Your Own Question
Gm Tech (Cam)
Gm Tech (Cam), GMC Mechanic
Category: GMC
Satisfied Customers: 1667
Experience:  GM Grand Master Technician 2007. 14 year experience.
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I have a 2007 lmm duramax that we rebuilt the motor on but

Customer Question

i have a 2007 lmm duramax that we rebuilt the motor on but for some reason it wont start it turns and turns but wont fire only if i start it with gas in the intake im thinking glow plugs because they doo not have power to them when you turn the key
Submitted: 5 months ago.
Category: GMC
Expert:  Juan Crespo replied 5 months ago.

Hi there.

Anything coming up on the scan tool?

Customer: replied 5 months ago.
nothing at first it was showing glow plugs i put all 8 new also showing glow plug module now not showing active
Expert:  Juan Crespo replied 5 months ago.

Does the engine stay running on its own after you manually prime it?

Customer: replied 5 months ago.
no it will never stay on only with gas
Expert:  Juan Crespo replied 5 months ago.

What engine data can you access with the scan tool... better yet, what kind of scan tool are you using?

Expert:  Juan Crespo replied 5 months ago.

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