Is this issue only happening on diesel trucks? I also have a diesel truck. I'm trying to figure out when and why this is only happening intermittently when it's cold. I have noticed that it does it when it's around 40* or below. I also have noticed it only does it when the unit shuts off when I start the truck after waiting for the glowplug light to go off. However, I also have noticed that the unit doesn't shut off everytime when I start the truck. Anyone know why this would be?
Example:
This morning is was 31* when I went out to start the truck. I turned the key on, waited for t