Automotive Air Conditioning Information Forum

I just went out to check it, and everything is working.

Thanks for fixing it.

Your car's A/C compressor has a speed sensor on it that sends compressor RPM data to the A/C amplifier, and so does the engine's computer (ECM). If the amplifier senses a difference in RPM between the compressor and the engine's crankshaft, it shuts off the compressor (for reasons I won't go into ...

2003 Mitsubishi Eclipse GT, 144K miles

I was driving in the rain with the defroster on, to defog the windshield. If I'm not mistaken, I believe the AC compressor and Recirculating air were activated.

I heard a brief squeal from the engine compartment, and when I looked down, the compressor light ...