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Re: 02 cavalier a/c makes engine rev/no cold air
[quote=Hotlipz97;6015226]We did check the levels of Freon ( sorry about spelling) and they were very normal. What else could this be ??? I have a road trip coming up soon, and right now I don't dare take my car.../quote]
Spelling was right, but Freon hasn't been used in the US since 1995. It was the trade name Dupont used for it's R-12. We now use R-134a. How much refrigerant was in it? The PCM increases the idle speed when the A/C is turned on to make up for the extra load placed on the engine. If the system's low, then the PCM will speed the engine up too much since there is much less load on the engine. Start by taking it to a shop to have the system evacuated, dyed, and recharged. That should take care of the A/C problem and show you where the leak is. I'd bet it will take care of the "reving" as well.
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'04 Cavalier coupe M/T 2.2 Ecotec
Supercharged 14 PSI boost, charge air cooler, 42# injectors
Tuned with HP Tuners
Poly engine/trans/control arm bushings
Self built and self programmed progressive methanol injection system
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