R32 Radiator Sensor Important?

[menglo]

hi guys my cars runnin funny so just wanted to know if this had anytthing to do with it.I bought an aftermarket radiator and it didnt have a spot for the sensor which goes at the bottom of radiator so i just unplugged it.is it important

[Moodles2]

If it's the coolant temp sensor, it tells the ECU when the engine is warmed up.. and since it's not reporting the coolant is warm, ECU assumes engine is still cold and it will run like crap.

[blind_elk]

The sensor in the bottom of the radiator is an overheat sensor for the A/C - it turns opn the thermo fan in front of the A/C radiator. Not absolutely necessary.

[menglo]

The sensor in the bottom of the radiator is an overheat sensor for the A/C - it turns opn the thermo fan in front of the A/C radiator. Not absolutely necessary.

I was hopin it was that.thanx alot guyS