GTS 2002 PROBLEM

[Dundiggin]

HEY THERE VCA MEMBERS. MY VEHICLE IDLES WELL AND RUNS WELL ON THE OPEN ROAD. WHEN I GET INTO TOWN SPEED RESTRICTIONS...35 MPH IT RUNS AWFUL.SEEMS LIKE THE MOTOR STOPS FOR A SECOND OR TWO,AND MY HEAD GOES FORWARD,THEN IT FIRES UP AGAIN FOR A SPLIT SECOND THEN IT CUTS OUT AGAIN...ETC...ETC. I PUT A NEW..IDLE AIR CONTROL ON, CAM POSITION SENSOR...CRANKSHAFT POSITION SENSOR.

HOPE SOMEBODY CAN HELP.

 

[Chad Hendrix]

I had something similar and it was the IAC.