Re: closed-throttle surge - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Re: closed-throttle surge
Posted by Dean (more from Dean) on Tue, 30 Jan 2001 10:44:10
In Reply to: closed-throttle surge, MJM [Profile/Gallery]
, Tue, 30 Jan 2001 09:51:41
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I have noticed the same thing, but it seems very slight to me. I think that under high vacuum, the ECU is cutting the fuel, then as you approach idle speed, the ECU again starts fueling the engine, and needs to admit more air to support combustion. This would be felt as a reduction in manifold vacuum and a reduction in engine braking.
I will watch for this with my boost guage, and will see what is shows when this happens.
Posts in this Thread:
- closed-throttle surge, MJM , Tue, 30 Jan 2001 09:51:41
- Re: closed-throttle surge - post-service update, MJM , Thu, 1 Feb 2001 09:19:50
- With all due respect, TG, Tue, 30 Jan 2001 11:46:11
- Re: closed-throttle surge, Andy D, Tue, 30 Jan 2001 11:12:10
- Re: closed-throttle surge, fsik, Tue, 30 Jan 2001 10:49:25
- Re: closed-throttle surge, Dean, Tue, 30 Jan 2001 10:44:10 <-- Viewing This Message
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