Very hi idle at times. codes24, 35, 33, 34. if I remember, the idle can be affected if there is no speed sinal. It has a cable and the vss is on the speedo. The speedo works. Scanner shows no speed. According to wiring diag. the ecm supplies 12 volts ref to vs...

FIX posted 7/5/2006

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle