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Duramax 2004=all power lost!!!

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mybarn6
 Post subject: Duramax 2004=all power lost!!!
 Post Posted: Tue Sep 25, 2007 1:06 am 
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Posts: 2
Installed my new 2805 on my diesel. Has a lot of power but is vary slow off the line( a 2 second hesistation). the bigger problem is I had it in Performance mode, was driving over an hour then lost all power. engine stayed running but no accerlation. (pushed the pedal down and wouldn't budge). Put program back to stock...ran like new. Please tell me what is going on..... other potential buyers want to know before they purchase. :x
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RON @ SUPERCHIPS
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 Post Posted: Tue Sep 25, 2007 8:41 am 
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You must have not given the trucks transmission enough time to learn the extra power.
Reinstall the tuning and give the trans 25-35 miles of easy starts, not grandma starts, but like your wife is in the other seat. No WOT (Wide open throttle) passes.
See how that goes and let us know.

Do you have any other modifications to the truck?

Did you read the DTC's? (Diagnostic trouble codes)

Ron

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mybarn6
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 Post Posted: Tue Sep 25, 2007 12:14 pm 
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thx. what is the difference between a grandma start and an easy start? do i have to do this everytime i change the program?
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RON @ SUPERCHIPS
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 Post Posted: Tue Sep 25, 2007 12:26 pm 
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Yes.
Everytime you reprogram the truck, the computer is reset.

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Board index » VEHICLE SPECIFIC » GM Duramax

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