PDA

View Full Version : 99 SS LS1 Cold Start rough idle HELP



Jamie'sSS
June 11th, 2014, 11:38 PM
Guys... I really need some help getting my LS1 to start on a cold start. I completed a head & cam with BBK intake and sent off my PCM (TSP) for a mail order tune. The car runs great after it is in the closed loop and warmed up. I have been reading some articles relating to COLD START Problems and have tried a few things but no luck. I have my IAC at around 70 when warm but when I try to start cold it really is starving for air. If I open the TB (adjust screw) where it starts better, then it wants to run high rpm after it is warm.

SO, does anyone have a set of instructions on what tables to adjust to and the values to set?? New to this and need some help.

Thanks in advance,
J