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Discussion Starter · #1 ·
i have a 2001 duramax 100% stock no tunes or anything when i start it, it sounds like its got a lot of fuel pressure, so i got my v2 out and logged it, at idle it demands 18,475 psi at idle and the actual is at 18,430-18,510 at idle. now if i hit the gas nothing changes, the desired is 18,475 psi and the actual is the same, driving down the road the desired is 18,475 and actual is almost the same as well, im thinking its got a bad ecm making it ask for that much rail pressure at idle, i have replaced the fpr and that is not it, again this truck is stock no tunes at all, any help would be awesome :drink
 
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