Chevy Cobalt Forum banner

help/ tachometer /is

  1. Problems and Service
    2010 cobalt 20k when trying to reset oil percentage readout all of the gauges went blank. They finally came back on was able to reset them they seem to work fine. But now the tachometer does not work stays at zero. I have changed and check most of the fuses.I'm at a loss and what the check...
Top