Question about 2002 Honda Civic

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Have a 2002 Honda Civic HX that when idling the heat stops working and the engine begins to overheat, when revving the engine heat kicks in and temp goes down. Intermittent problem, will go hundreds of miles with no problem. Extreme cold seems to trigger the problem. Have replaced thermostat, radiator, timing belt, and water pump, system flushed. Do need o2 sensors replaced.

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I would check o2 sensors but to tell you the truth my dad bought a new thermostat that was suppose to open at 160 degrees his temp. got to 220 degrees before but check o2 senors and thermostat

Posted on Feb 10, 2010

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I have a 1996 Honda Civic, it only overheats after driving for about 45 minutes, then it goes from normal to in the red immediately, If I turn the heater on it return to normal. There is no smoke coming...


Might have air in the system. With engine cool, take radiator cap off and start car. Let it come to operating temp and ensure fan kicks on/off as it should. Keep hands clear of rotating parts - fans, belts, motors. Replace cap and make sure there is water in the overflow reservoir.

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We hit something in the road (a wheel) and the A/C coils and the radiator were damaged. Coolant was lost, but engine was turned off immediately, so didn't overheat. After replacing the A/C coil and...


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2001 honda civic ex 206,000 miles. Overheating. Changed water pump, flushed radiator, changed thermostat, tested fan (good), pressure tested engine (good). Replaced fan sensor connection. Had sit for 30...


the fan is not operating properly
if it is a viscous fan hub( fan clutch ) replace it
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Sounds like your electric cooling fan(behind the radiator) is not functioning. The thermostat might not be working,making the fan
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your heater has apparently restricted the coolant flow....hopefully a good system back flushing will cure the problem....use a flush obtained from a parts house....I would buy the hose kit for flushing as well...good luck to you

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While idleing the car has no heat, then overheats when you drive, ive changed the thermostat, still happening


Hello ur1121 and thank you for asking your question, on Fixya.

Here is a simple process that will walk you through a few steps that will pinpoint the overheating problem on your 2002 Honda Civic, without even using any tools. It has helped millions of people, and I am certain that it will help you, because I wrote it for people in your exact situation.
How to diagnose your overheating 2002 Honda Civic

Get more great (money saving) tips and tricks about your Honda from: twitter.com/acoates23234

Thanks for the vote, and good luck!

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Absolutley it could be the thermostat. Is the engine temp ok? Has the gauge changed position?

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1 Answer

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the idle air control valve usually takes over the idle after coming to a stop with no gas being given by the driver if it is not working properly the car will not idle at all this is probably what the problem is

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if the check engine light is on it probably the egr valve but if the light is not on the idle control solinoid is dirty or broken

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sounds like either a faulty igniter or air/fuel sensor

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