The only mods i have are the cat is gone and i have a high flow muffler.
I do not pull or haul much the most i do is a trunk load of compost. i haul it probably 20 miles, thats it
now ihave purchased one and now with 100 hp tune and misses and bucks and jerks in upper rpms and accleration. 60 hp tune vehicle runs fine canott figure it out
Yes, mine did the same thing with the pred. I shoulda seen this thread sooner, woulda sold you mine. I figure it is some problem in the programming, engine is running fine with extreme street tune SCT.