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hey i am looking for a list of codes for the 2003 Duramax...my check engine light came on and i need some codes to know what they r thanks,.
 

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Post what the code number is and someone will help.
 

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It was P0087 or 89, I'm not sure... But for an update, the dealer called and said that an injector was bad and all 8 was replaced and the truck was delivered back to him in the same day. Sounds like a good dealership!
 

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P0087 = Fuel Rail Pressure Too Low
P0089 = Fuel Press Reg 1 Performance

They diagnosed the problem and put 8 new injectors in it in the same day :eek:

That's great good for him. :ro)

I hope the 03's don't have as many injector problem's. :help2:

What state is the dealer in ?

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