hesitating/stalling on idle - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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hesitating/stalling on idle
Posted by robert (more from robert) on Thu, 7 Sep 2006 12:47:18
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Last night my 99 9-3 auto began hesitating while idling at stoplights. The idle drops to near zero, then surges to the point where I have to apply extra brake pressure to keep from surging forward. The car has stalled a few times in this scenario since last night.. but always starts right up, and doesn't begin to stall again until I've driven for a bit.
I had this problem a few times before I replaced the fuel pump this spring. Otherwise, I've never experienced this kind of behavior.
Am I looking at a failing DI? The spark plugs could use replacing- but I have no trouble during accelleration or coasting.. only at idle. The fuel pump is so new, I doubt that could be the issue.. my DI has a date code from sometime in 2002. Any other ideas?
posted by 63.86.10...
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