2003 Honda Accord LX 4 Cyl 2.40L
temp gauge moves to hot when in heavy traffic. what would cause this?
Several possibilities; clogged / blocked radiator, clogged / blocked a/c condensor fins, stuck or faulty thermostat, radiator cooling fans not turning on at proper (high) temperature. Do you hear the radiator fan turn on when the temperature increases? If not, then focus first on the radiator cooling fan, the fan relay, the fan coolant temperature switch, of the cooling fan fuse / wiring or connection.