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Discussion Starter · #1 ·
Afternoon,

Recently when driving the Civic seems to be overheating. The engine temp gauge goes through the roof then when I start driving it cools down to the usual 8 o'clock position. However, when I stop it graduaqlly starts raising again. Its to the point now when stuck in traffic I turn the engine off.

No warning lights or anything have come in. See pic of my dash below (excuse the dust!)

Is this just the coolant sensor? I got a feeling my ass is about to get sore....

Vehicle Car Speedometer Auto part Odometer
 

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Last time when I saw that was on my Seat Ibiza at year 1998. After that water and oil mixed in the engine...hehe
For you probably only little thing (ex. thermostat...), but dont drive like that - you must be already at mechanic, not here on forum...
 

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Discussion Starter · #5 ·
Cheers for the response. Luckily I am well connected with a large Honda dealer but there is only so far mates rates go!

The AC fans work fine, the engine fan doesn't keep going regardless thus leading me to the conclusion it must be the temp sensor or something! Really hope this aint a serious repair but in 4 years of owning her this is the first thing to go wrong.
 

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Cheers for the response. Luckily I am well connected with a large Honda dealer but there is only so far mates rates go!

The AC fans work fine, the engine fan doesn't keep going regardless thus leading me to the conclusion it must be the temp sensor or something! Really hope this aint a serious repair but in 4 years of owning her this is the first thing to go wrong.
I think I would get this looked at very soon, as you could possibly blow the head gasket
 

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Discussion Starter · #7 ·
Yea its going in this week. Like I say its only like that when you idle...when the car is moving the temp is normal.

Strange to say the least.
 

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I would change the radiator thermostat that controls the fan. Not the other thermostat which regulates water flow to the radiator. When that one goes the temperature gauge never rises and the engine cooks itself!

Always worth checking you have sufficient water in the coolant tank and there are no funny noises coming from the water pump area. Look for any brown gunk in the water too. Take a look under the oil cap and set if there is any brown mayonnaise type stuff there. All being well it will just be the fan thermostat.
 

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Remember that there's always option that water pump has started to fail. That can also lead to this kind of problem as the water does not flow fast enough to cool down in the system.
 
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