RPM surge when AC compressor engages - Saab 9000 Bulletin Board - Saabnet.com
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RPM surge when AC compressor engages
Posted by dex88t [Email] (more from dex88t) on Mon, 22 Dec 2003 13:56:08
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I hope someone can help with this annoying and potentially unsafe condition:
when stopped with my foot lightly on the brake and the transmission in drive the engine idles at just under 1000 rpm. When the AC kicks in the rpm surges to around 1200 and the car leaps forward until more pressure is applied to the brake pedal.I have adjusted the idle speed as low as it will go with the adjusting screw,but I still feel it is too high. This problem seems to have started after I thoroughly cleaned the throttle body which had a film of grunge in it. Are these idle speeds correct for an 88 9kT? I would like to adjust the idle so that the car will not move in drive until the gas pedal is pressed. Any input is greatly appreciated.
posted by 129.170.116...
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