where is the cooling temp sensor
I assume you're talking about the 1.8 liter engine. It's just left of the manifold. It should look like this:http://engine-codes.com/p0118_2002_nissan_sentra.html Finger is pointed towards it: http://img.photobucket.com/albums/v452/blownb310/DSC06468-1.jpg Make sure to put a new copper ring if you replace it. You don't want to You might want to flush the coolant out before. You might also want to take a look at the thermostat, depending on the issue. Good luck!
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