I have the same issue. Temp gauge will be working fine then all of a sudden it drops to cold. If its summer the AC will not work if winter the heat will not work. Once the gauge is back to normal when it finally goes back into service the air/heat will work again. Also, after a while of the temp gauge being on cold the check engine light will come on and once the gauge kicks back in service for some time the light will go off. I have had the thermostat changed twice and the EGR? Changed as well. It still happens after some time. Any suggestions of what this might be?
Thursday, August 24th, 2017 AT 10:27 AM