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View Full Version : 2005 LLY DSP5 shifting question?



haulinit
April 15th, 2012, 01:47 PM
This is my first time doing a DSP5 on a VGT engine. I'm have a problem getting the tranny to shift properly on the 50hp tow tune (IIRC it is 3) and the 100hp mostly giving me troubles (IIRC it is 2), Sorry I cant get a hold of him to confirm the order. The tranny acts confused when to shift under acceleration, even under moderate throttle. Any help would be great.

12925

haulinit
April 19th, 2012, 12:49 AM
I reflashed the truck last night I allowed for a higher boost by changing the difference between the desired and actual so it will stop throwing the p0234 code and raised the engine torque limiter to a slightly higher number, a good part of the funny shifting went away but not all of it. I'm starting to think it is a defueling issue causing the problems. I dont want to take the defueling out to help prevent tearing the tranny out. Under heavy acceleration the boost hit 32 PSI is that normal for a LLY? Almost forgot to add he has some other modifications including a AFE mouth piece, EGR block off and a AIR DOG 2.

The Neens
April 24th, 2012, 10:16 AM
A2109 looks a little odd to me...

killerbee
May 2nd, 2012, 01:45 AM
You will have to post a log of the offending behavior, to get any assistance with it.