Intermittent High Idle Speed - Saab 900 Bulletin Board - Saabnet.com
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Intermittent High Idle Speed
Posted by ChipJ [Email] (more from ChipJ) on Mon, 14 Feb 2005 18:33:30
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Driving back on I-93 yesterday after some great skiing, I had to strongly apply the brakes when traffic up ahead came to a stop. The idle speed, to my surprise, was close to 2000 rpm. The high idle speed continued all the way home. Same thing on startup this morning, until the car warmed up and idle speed normalized at 850 rpm. Same thing this afternoon. I opened the hood but no obvious vacuum hoses disconnected. I assume it is most likely a vacuum hose or a gasket, but what are the most likely contenders? 1987 900t with 170,000 miles 5 speed TIA
posted by 66.30.19...
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