Originally Posted by sundera86

when i try to abjust rpm below 1300 at iddle from basic iddle screw the engine start to vibrate and dont work good. On cold engite it has vibration and very strong air leak from exaust smelling gasoline. Where is my problem
spark plugs or cables or another thing. I was with pts stage 3 chip and there is no this problem, but now i replace it with msd stage 3 non closed loop and the problem starts ? but yesterday i return the pts stage 3 and engine work at the same bad way as with msd stage 3 chip ?