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Ford Explorer Community - Maintenance - Modifications - Performance Upgrades - Problem Solving - Off-Road - Street
Explorer Forum Covers the Explorer ST, Explorer Sport, Explorer Sport Trac, Lincoln Aviator, Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Ford Aerostar
Most likely it's a sticking thermostat. I replaced mine last year after the gauge would peak at HIGH after warm-up and then finally settle where it should be normally.
Most likely it's a sticking thermostat. I replaced mine last year after the gauge would peak at HIGH after warm-up and then finally settle where it should be normally.