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How do you check the temp gauge to see if it works on a Chevrolet 2002 venture?
Wiki User
∙ 14y ago
Hi,
The 'easiest' way to see if the gauge AND sensor for the temperature gauge is or should be working is to connect a scan tool to the van that can read and display the information that the computer is receiving about the coolant temperature.
Very often, there are conditions where the temperature gauge will read at its minimum value, but the actual temperature is higher. This is because the computer actually controls the gauge, and will set the gauge to its lowest value if it thinks the engine temperature is not rising fast enough.
If you have a multimeter, you can also test the resistance of the sensor (located near the thermostat housing). The value should change as the temperature changes. Again, if that sensor is working but the gauge is not moving, more troubleshooting is required to find the cause of this issue.
I have included a link that shows the location of the sensor (look at the bottom pictures).
Good Luck, Greg
Wiki User
∙ 14y ago
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