Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

low rail pressure

Old Feb 3, 2012 | 08:13 AM
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From: Marietta Georgia
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What's funny is that the thing ran fine before I took the motor out for the rebuild. The fca is for a lb7. I think the whole thing is stock. The guy I got it from said the only work done on it were injectors (under warranty) and a water pump. I pulled the fca out last night and it was the plunger was stuck.

---AutoMerged DoublePost---

Would that cause super low rail pressure?
 

Last edited by slipagnt; Feb 3, 2012 at 08:13 AM. Reason: Automerged Doublepost
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