Classic failed ECT sensor or a thermostat stuck open. Scan for pending codes even without a lamp. Cheap sensor first, then thermostat.
Dash says 90, infrared on the housing says 70. Fan never comes on. No CEL.
Dash says 90, infrared on the housing says 70. Fan never comes on. No CEL.
Classic failed ECT sensor or a thermostat stuck open. Scan for pending codes even without a lamp. Cheap sensor first, then thermostat.
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