A engine whimpers; you're shivering. Haven't we all been here before? At long last, with any luck, you get your engine to start up, and if you do you've got the performance of your thermo time switch to thank.
Delving Deeper
What's going on internally, while you're freezing half to death at the wheel, has to do with the cold start valve, and when contact is broken, the cold start valve is closed and fuel returns to being injected to the engine normally.
