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Hi everybody , I'm back and am happy to report we finely figured it out ! TBS -POPS hit the nail on the head. Water temp sensor was bad . it was reading -45 when the motor warmed up it read 40 . had a hard time finding the right one mine had 3/4 inch npt threads the parts store kept trying to give me one with 1/2 inch threads and a spade connector instead of the button /slide on style. NAPA finely got out the book and we found the right one . It was for a 1975 to 1982 chevy why I don't know . but it WORKS and that's what counts . We also cleaned the iac valve it did have some carbon on it . thanks for all the help !I learned a lot about the TBI fuel injection system. Thanks again guys .