Diesel Bombers - Duramax codes needing some advice.

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- Chevy/GMC Duramax 01-04 LB7 (https://www.dieselbombers.com/chevy-gmc-duramax-01-04-lb7/)

- - Duramax codes needing some advice. (https://www.dieselbombers.com/chevy-gmc-duramax-01-04-lb7/121357-duramax-codes-needing-some-advice.html)

Duramaxx11

05-30-2014 11:50 AM

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

4x4manonbroke

05-30-2014 11:08 PM

Sounds like you have a Malfunctioning ECM/FMIC or a bad grounding issue ...

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