Re: AC cuts off past 3500 RPM, car runs rough. Need hel - Saab 900 Bulletin Board - Saabnet.com
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Re: AC cuts off past 3500 RPM, car runs rough. Need hel
Posted by KeithR (more from KeithR) on Wed, 24 Jul 2002 21:56:32
In Reply to: AC cuts off past 3500 RPM, car runs rough. Need help!, Ed F, Wed, 24 Jul 2002 20:41:56
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What year and engine, turbo? Its one possibility that the throttle switches are out of adjustment, They are supposed to cut the A/C off only at WOT, and tell the computer when the throttle is closed or wide open. another psoosibility is an the A/C has a restriction or an overcharge and is shutting down due to high pressure, and is putting a heavy load on the engine when it tries to start up. shutting it off may give it time to get the pressures back to normal.
Does the car run rough when returning to idle after being above 3500 with the A/C off?
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