I have taken the UIM off about 20 times when I was working on my car, no problems. I agree with the above statement, did something fall down the LIM ? Sounds like something got into the motor. Did you hook up all the hoses including the brass fitting one under the intake piping, I forgot that one sometimes. Good luck with it. -B.

1998 SVT With a few mod's RACECAR IS RACECAR BACKWORDS ! #970 of 2395 Black/blue *****FOR SALE*****