Re: 16v problem - bucking upon take-off

[Andre Bjorkheim <andre@mk1scirocco.com>]

Have you checked for cracks/rips/tears in any of boots on the intake
side?  This may not be the case, but I had a friend who had the same
exact problem with his GLi and it turned out to be a nice rip in the
underside of the boot.  When the car was accelerated the engine would
rock causing the rip to open up, gulp air, and the car would buck like a
bronco.  

Andre'
Lime Green 79
Kirkland, WA
ICQ #76283458
http://mk1scirocco.com



Jeffrey W Bynum wrote:
> 
> I have a problem I am trying to diagnose in my 16v. It will crank and run
> fine while sitting still. When you try to take off from a stand-still, the
> car will buck (fairly violently), and will fall on it's face, if you let off
> the gas, it will catch back up and settle into an idle. If you start off
> again, it will do the same thing. It doesn't matter if you rev it up to like
> 4K and feather into the throttle, it still falls on it's face. I have
> replaced the distributor, the cap, the rotor, the plug wires,the plugs, the
> transfer pump and the main fuel pump, and fuel filter with all OEM Bosch
> components. I have had the idle fuel mixture and timing all adjusted by a
> friend that is a VW tech. (he just hasn't had time to help me with the
> further problem). I have also tried swapping out the knock box with a known
> good one, and the car exhibited the same problem. The problem has persisted
> through the replacement of all of the above items. I would really like to
> get this one going , so any and all thoughts, tips, and insight is
> appreciated.
> 
> Thanks,
> Jeffrey W. Bynum
> '85 Cabby 16v
> '88 Cabby 16v
> '87 Rocco 16v
> '88 Rocco 16v
> 
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