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Discussion Starter · #1 ·
im working on a 04 duramax that out of the blue went in to limp mode and popped these codes p0207, p1293 p0742 any ideas?
 

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Discussion Starter · #2 ·
oh it also popped out a p2146 code im flustered is it the harness or could one bad injector give me all this trouble?
 

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You should begin with the "icepick" trick and the harness rub fix.

Methinks you've the classic LLY injector harness problem. Easy and quick remedies, search the forum for detailed instructions.

Regards,
Keith

(Ps. I've already experienced and fixed that on mine...)
 
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