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Old 15 Dec 2010, 08:01 pm
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Default 04 civic 1.7 heat issues and engine overheating issues?

Hi recently, ive noticed that my heat has become sporadic turning on and off, usually when the car has stopped moving, and if i leave my car in idle for a while my engine temp will raise to the top. And my rad fans don't seem to come on
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Old 15 Dec 2010, 08:16 pm
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Join Date: Dec 2010
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something is wrong with your fans if they are not coming on this will cause the car to overheat while stopped due to no air passing over the engine, it could be a bad fan motor or a bad fan relay, best bet is to have it checked, if u want to test the fan motor yourself, get 2 pieces of wire and strip both ends, locate the fan motor normally on the fans or near the fans, u will see a wire that plugs into the motor unplug the wire, connect your 2 wires to the fan motor wires, touch one wire to the positive of the battery and the other to the negative of your car battery, the car does not have to be running but needs to be in the start position, if the fans come on then they are good but are not receiving power, may be bad wiring or bad relay or bad temperature sensor, if they do not come on then the motor is bad. hope his helps, also it wouldn't hurt to check for a faulty thermostat.
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