My son got his first truck and has some issues. It's a 1994 S10 4.3 TBI. 2wd, auto. 132k miles.


It runs like a champ for about 5 mins. Then it falls out its face has zero power almost. Barely can pull itself to 30-35mph without bucking and stumbling and surging.


I have replaced IAC, ICM, and fuel filter this weekend and still no change.


It know will run a rev up in park or neutral, but immediately dies when placed in gear.


Any thoughts?


Thank you!