Thanks got it fingered out =) gonna be doing some logging and custom tuning soon. =)

I figured it out. It was the auto start and radio. Got it all tuned up now thanks.

I am having almost the exact same problem. I also have a double din pio. A remote start system. Also alight bar on my brush gaurd, and a cold air intake. Do I have to disconnect all these or just the radio and remote start?

So I purchased a 2005 Silverado from an awesome gentleman who had just put a crate 5.3 in her 6000 miles ago, with a mild cam, yella tella roller rockers, Long tube headers, new water pump magnaflow exhaust the works. Truck only has 131k on the body. With the truck he threw in a Diablosport Trinity ...