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Re: Acceleration
Posted by Michael.Stolicny (more from Michael.Stolicny) on Wed, 28 Feb 2001 13:02:30
In Reply to: , Kok Chen, Sat, 17 Dec 1988 12:00:00 

>I can only accelerate
>gradually. Not a problem during 98% of driving time, but... If I floor the
>accelerator to pick up speed quickly, say, during a passing maneuver, the
>rpm meter surges past 5,000, then falls back, with no appreciable
acceleration. 

If this truly is your tachometer that is 'falling back', then I think your
problem is spark related.  Your Tach is electronic.  It's basically a
voltmeter that's 'counting' the number of sparks/minute.  You say it's a
manual transmission--then it's virtually impossible to have the tach fall,
unless you've let up on the loud pedal, and depress the clutch, or if you
twist the key to OFF.  If this is the case, then my suspicion is with the
ignition (spark).  With an automatic, there's slip, so it's possible for the
tach to fall during the period of lack of power.  Maybe you meant, '...it
reaches 5K, then pauses there...'?  
Is there a rev limiter in the newer Saabs?  Maybe this is engaging
prematurely?

Stick
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