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Rpm on chevy 1500 1994 is at 900 before I turn on ac

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2003 chevy cavalier 2.2 auto. 2003 chevy cavalier 2.2 auto. Without a/c, everything is normal. If the a/c is turned on, the engine rpms will go to between 2,000 and 3,000 rpms. If you shut...

Your AC compressor is broken, seized or has a bad bearing. Inspect the belt and then the pulley. Go from there. RPM rise is ok when AC is on, but not such a huge one.

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