Posted to GM Driveability on 3/23/2012 9 Replies

This truck Has a long crank after it is warmed up. Upon looking observing the data I found the ECT reading negative 40. I tested the 5 volt refrence and ground wires at the sensor both are good. I checked the 5 volt refrence wire for a short to anny other 5 vo...

Summary posted 4/5/2012