disintended nondeceleration....

[jim rose]

ben,

thanks for the tips w. the isv. i didnt really test/fiddle with it. i need 
to take a closer look. cleaning it changed the symptoms but didnt really 
make it better.

thanx too for the adjustment screw suggestion. im always happy to swing by 
the local audi shop and "order parts" (sit in an s4 and make engine noises 
:)

i hope the new ones have a better drive to fix ratio...

-jim



>I played with cleaning the ISV too.  The cleaning will undoubtedly help,
>once you get the problem resolved with the ISV control.  You should see the
>idle raise when you disconect the connector and normalize when you connect
>it.  There should be + voltage to one of the leads - the center one I 
>think.
>
>Another thing that may be a problem.  The O-ring seal on the throttle body
>adjustment screw deteriorates.  This causes air leaks and sometimes the
>screw actually backs out on its own.  Check this and replace if necessary -
>the whole screw with O-ring is only a few bucks a the dealer.
>
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