Bryan ... 5/18/2012
1992 Chevrolet S10 Blazer Tahoe 6 Cyl 4.30L
My temp gauge used to work and now it is stuck on 230 degrees, along with my check gauge light.
Maybe the temp sending unit or wiring circuit problem. Take the connector loose from the sending unit, turn on the key, any reaction from the gage, does it still read 230?