So about a year ago I replaced my compressor. However I believe it was aftermarket. A year later and I started to have some of the similar issues. These issues are: the car revs aggressively in humid or extra hot conditions- more often with the AC running. This tends to only happen when the car is idling however it chills a bit if I throw the gear into park and/or hold the break pedal down with all my might and power. The turbo gauge jumps at this point. Is it a dying compressor? Dying turbo? Transmission? Help!!
Saab 9-3 2001 hatchback
3rd owner 110k