Check Engine light with my K-Pro
Posted: Fri Jun 11, 2004 1:44 am
I was wondering why my car is throwing a "unknown code 77" if i use the jumper off the obd2 plug it say code 41. Its the o2 sensor heater. the o2 sensor heater i believe is controlled by the ecu. is ther a fix to this problem or is it a issue with my k-pro?