HELP GM TECHS!

1993 LUMINA 3.1L. MIL LIGHT WILL ONLY BLINK ONCE WITH KOEO. NO DATA AT ALL. ENGINE RUNS FAIR. TRANS STARTS IN 2ND GEAR. COOLING FAN ON ALWAYS. NO ECM DATA WITH MULTIPLE SCANNERS. NO CODES OR CODE 12 WITH A TO B SHORTED. 2 NEW PROM, NO CHANGE. 4...

FIX posted 11/7/2003

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