Spiking temp guage
I have a 2000 Chevy Astro van. When
van gets to operating temp. The
coolant t gauge spikes to red then
returns to normal temp. The problem
is intermittent. The engine is not
overheating g and heater n ac work
I think your gauge is not working correctly, they make inline temp gauges that can be installed into the system. I also think they make a strap on temp gauge that you can install on the hoses. This will allow you to monitor the system temp.
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