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Date: Sun, 14 Apr 2002 09:13:35 -0400
From: "B. Smith" <b.smithnopsamco.ca>
Subject: Re: Engine Idle Speed - 900SE


The tech provided me with a printout that indicated 900 + of - 50 was within spec. I am sure that 850 is a lot better to live with than 950 and the 1000 is beyond where I feel comfortable having it operate. Think I will write Saab and see what response I get. Brian "Kenneth S." <nimrodnopsams.com> wrote in message news:3CB913EB.23A2nopsams.com... > Four Weis wrote: > > > > "B. Smith" wrote: > > > > > We have had a little discussion on the newsgroup regarding how to reduce the > > > idle speed on a 2L Turbo ('98 to be specific). It has been suggested that > > > reprogramming the computer would be an option. The dealers say it cannot be > > > changed (runs at 1000 RPM - automatic trans) and the computer keeps it at > > > 1000 not matter what. (How would you go about getting the existing program > > > if required and then altering or reburning the chip?) > > > > > > Cold starts in winter = 1000 RPM > > > After warm up = 1000 RPM > > > Summer start up = 1000 RPM > > > > > > I have nothing against 1000 RPM except while stopped at intersections it is > > > always a challenge to keep the car from wanting to go - a heavy foot on the > > > brake is necessary and it seems to me that it must be hard on the > > > transmission. > > > > Not only is it hard on the transmission. It is also adds wear on the brake > > system. What happens if you put it in neutral? I have heard of some automatics > > being programmed to shift into neutral at stops and then into Drive when you > > step on the gas. From the sound of your description, the Saab automatic does not > > do this. > > > > > > > > > > > Any suggestions, greatly appreciated... > > > > > > Brian > > I have a 1996 900SE, and have exactly the same problem. I talked to > the dealer about it, and was told that the engine idle was within > specifications. However, I thought the engine idle was supposed to be > about 750 RPM. > > Can it really be the case that there is no way of reducing the engine > idling speed? I can see where setting it too low might cause the engine > to stall. However, 1,000 RPM seems so fast that it seems there would be > little danger of stalling, even if the RPMs were cut back significantly.

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