How do I know if engine overheats

Asked by AmrSunbird Feb 06, 2019 at 03:21 AM about the 1978 Pontiac Sunbird

Question type: Maintenance & Repair

Hi. I have a 1978 Pontiac Sunbird 2.5L 4 Cyl
engine that came originally with no
temperature gauge in the dashboard. How do
I tell if the engine overheats?

1 Answer

21,915

You probably have a "TEMP" light that will come on if the engine hits the high point of its temp range. It should illuminate when you start the car as a test to show you it is working. Not sure what yours looks like it may be just a red lens or an indicator that looks like a thermometer.

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