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Old 06-11-2011, 10:46 PM   #1
DmaxHawk
 
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EFI Problem, stumped

Im working on putting a dsp 5 on a 07.5 lmm and have no idea what's going on with it. I installed the switch with no problems. Now when I try to flash the dsp tune the truck accepts the tune fine. When I try to drive it on the other hand, that's when it starts acting strange. I step on the throttle, rpms increase and then start jumping around like it had a rev limited or something. I checked all the tables and they look good. If I load a stock tune, it works fine...anyone have any ideas?
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Old 06-11-2011, 10:55 PM   #2
phale
 
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Something is no right in one of the tables, possibly a boost table. Does it do it in any switch position or just one file? If you want you can send it to me and I can take a look at it if you do not figure it out.
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Old 06-12-2011, 08:44 AM   #3
DmaxHawk
 
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Quote:
Originally Posted by phale View Post
Something is no right in one of the tables, possibly a boost table. Does it do it in any switch position or just one file? If you want you can send it to me and I can take a look at it if you do not figure it out.
It happens on every tune.

If I load the base tune alone, it works fine. However if I load the base tune as a dsp with the dsp programs modified, it starts jumping around. It even does it on the base tune.

Thanks, I would appreciate that. What is your email?
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2007 Silverado Classic CCSB
High Pressure Air Stuff: GT40 AVNT by PPE
High Pressure Fuel Stuff: PPE
High Volume Fuel Stuff: FASS
Downstream Stuff: ATS
Computer Stuff: EFI Live
Air Cooler Stuff: PPE/Spearco
Narcotics: Labonte Stage 3
 
Old 06-12-2011, 10:28 AM   #4
phale
 
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sent you a pm.
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Old 06-12-2011, 06:30 PM   #5
DmaxHawk
 
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replied at your email. thanks
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2007 Silverado Classic CCSB
High Pressure Air Stuff: GT40 AVNT by PPE
High Pressure Fuel Stuff: PPE
High Volume Fuel Stuff: FASS
Downstream Stuff: ATS
Computer Stuff: EFI Live
Air Cooler Stuff: PPE/Spearco
Narcotics: Labonte Stage 3
 
Old 06-28-2011, 12:57 PM   #6
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Having a problem with a 07 lmm computer is not commanding more than 18000 rail pressure on hot tune works fine with stock tune. anybody got any ideas?
 
Old 06-28-2011, 06:55 PM   #7
IdahoRob
 
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Tuning problem
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