[V8] engine surging at idle, jerk when decellerating

[kyle leatherwood]

Hello,

Kyle Leathewood here.  I just purchased a 1990 V8 Quattro and it does a 
surging at idle, as well as idles high.  The surging is as if you are 
pressing the gas pedal a considerable bit (1000 RPM to 1500 RPM) and it 
sometimes does it when you are slowing down after driving.  Along with this 
surging, it does a sort of jerk when you let up off of the gas pedal, almost 
as if you are lightly tapping the brake each time.  It gets quite annoying.

I am told the surging and high idle could be due to a recall on the throttle 
linkage bushing not allowing the throttle to go back to full stop, however 
the jerking has got me stumped.  Any suggestions would be greatly 
appreciated.

Thanks,

Kyle

90 V8 Quattro
90 Audi 80
85 Jaguar XJS
71 MG Midget
69 MGB

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