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Thermostat gauge reads 160 degrees on a 2002 Chevrolet S-10 and check engine came on running at 50 mph?
Wiki User
∙ 16y ago
This is too cool if the engine had been running for awhile. Thermostat is stuck open which causes the system to stay in closed loop, thus setting the check engine light. Drain and flush the radiator, and replace the thermostat. You may have the have the Check Engine Light reset with an OBD2 scan tool. Ask an auto parts store to reset it after selling you the thermostat and antifreeze for the repair.
Wiki User
∙ 16y ago
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