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My 1990 Integra GS auto registers no heat on the temp gauge at highway speeds but in city registers normal on temp gauge Thermostat or temp sensor side note small amount of coolant leaked randomly?
Wiki User
∙ 13y ago
change the thermostat. sounds like it is stuck open, allowing high flow through the radiator at highway speeds where the air flow rate accross the radiator is enough to keep it cool. In the city the fan thermostat turns the fan off to maintain temperature. Nice easy and inexpensive fix. Should also improve milage slightly.
Wiki User
∙ 13y ago
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