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95 Civic Running Cold

Old 12-10-2012, 04:35 PM
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Join Date: Feb 2011
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Default 95 Civic Running Cold

I've got a 1995 civic with the 1.5L and it is running cold. About 3000 miles ago I had the head gasket replaced. After that job was complete I noticed that my fuel milage had dropped from 38 mpg to around 30-33 mpg and that the engine temp barely raised above the first mark on the guage. (For 309,000 miles it ran about 1/3 of the way up the guage)

I replaced the thermostat hoping that would be a fix, but it didin't. I just finished driving the car home from a 500 mile trip at 75 mph and the engine temp only raised to normal one time and that was when I was when trafic on the interstate stopped going up a mountain. Also, I know it running cold because of the outside temp. It was 70 here in NC today and the car temp didn't rise.

Any help or suggestions woudl be great before I take it to the shop.
Old 12-11-2012, 05:53 AM
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Join Date: Jun 2007
Posts: 10,023

The only thing that will cause this is the thermostat not closing fully. The new one seems to be bad. Also you want the 185 degree one.
Old 12-11-2012, 02:33 PM
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I'm going to swing by the Honda dealer and pick up a new thermostat and see if that helps.
Old 12-14-2012, 07:15 AM
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I replaced the thermostat and no change. One thing I notice is the hose leaving the radiator is cold and the one going to it is very hot. The hoses going to the heater core are also hot.
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