Asked by GuruR9ZX5 Feb 01, 2020 at 12:52 AM about the 2006 Ford Explorer

Question type: Maintenance & Repair

Temperature gauge fluctuating between normal
and cold. Never seen that before.

2 Answers


My guess is a bad thermostat.

1 people found this helpful.

Could be the coolant temperature sensor, you will have to look for it. Usually somewhere near the thermostat housing. Either screws in or slips in. Has an electrical connection to it. You can check it with a multi-meter. Specifications can be located on the net.

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