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

Duramax codes needing some advice.

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Old May 30, 2014 | 11:50 AM
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Duramaxx11's Avatar
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Default Duramax codes needing some advice.

My trucks been feeling like its only running at half power. Welll..Truck finally took a crap today. Pulled these codes:
Po234 turbo/supercharger over boost condition.
Po202 injection circuit open cylinder 2
Po203 " cylinder 3
Po205 " cylinder 5
Po208 " cylinder 8
P2149 fuel injection group B supply voltage circuit open

Any help would be greatly appreciated
 
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Old May 30, 2014 | 11:08 PM
  #2  
4x4manonbroke's Avatar
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From: Tacoma
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Sounds like you have a Malfunctioning ECM/FMIC or a bad grounding issue ...
 
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