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STR8SIX

cummins fan
Joined
Nov 24, 2011
Messages
31
I got a 2001 stock vp fass 150 with smarty and edge tuning just recently I uploaded my smarty on 8 and turned the edge on 6 and the tps started acting up bring it back to stock power with the smarty works fine no issues do it again same thing but it won't throw a code did the first time but after that it won't do it but now driving on stock tune and a milage on the edge it feels sluggish using a lot of fuel I got 150hp injectors in it and wondering maybe the vp can't keep up with the aggressive tune any ideas or thoughts would help thanks guys!
 
Sorry if I had a computer handy it would be proper but I'm on my phone so bare with me.If ya can't help me then don't reply thank you
 
What code did it throw the first time? Maybe you dicked up the timing mechanism in the VP? Are your EGT's any different?
 
It threw a p0121. Cruising speeds it's at about 630-700 with 2-4lbs of boost.
 
I haven't got to it yet apparently punctuation is more important.I will dig into it tonight after work.
 
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