2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

S4 TB help.

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Old May 13, 2009 | 06:20 PM
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S4 TB help.

Fast idle----The FSM says that after warm-up the fast idle cam should be separated from the roller. Mine doesn't do that, but I think it's because I have the fast idle screw turned out too far, because I don't like it to fast idle over 1,500 RPM's. But it could also be that the thermowax is not extending all the way. Anyway, if the cam does not separate from the roller, even though the car is not fast idling, how would this affect idle/acceleration?

Also, throttle stop screw----I do not know how to set this, but I know that depending on where it is at, it really affects idle. Any ideas?

Mike
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Old May 13, 2009 | 07:52 PM
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From: cold
do you have the BAC installed? After operating temperature is reached that will affect how you want your various screws adjusted.
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Old May 13, 2009 | 08:59 PM
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Other than the throttle stop screw, that is not correct :-)
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