violent bucking when reaching 1 bar boost

[David Head]

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Check the hose from the boost controller to the wastegate - a cracked
hose here on a 10V will always cause this problem.

Brett Dikeman wrote:

>>hey guys, from the first day i had my 20v almost 2
>>years ago from time to time under high boost it would
>>violtenly buck once and when you let off and boosted
>>it back up again it was fine.  this has happend more
>>and more frequently, never knowing what it was i just
>>figured it was a weird thing and would be somthing i
>>would have to deal with.
>>
>>
>
>Absolutely not- the car should be very smooth.
>
>I can almost guarantee you have a boost leak.  Remove and inspect the
>michellin man hose for cracks, as it is the most common culprit.  If it's not
>that hose, and all your clamps are tight...you will make life a thousand times
>easier for yourself if you build a pressure tester and test the system:
>
>http://www.audifans.com/pipermail/200q20v/2000-August/000283.html
>
>...otherwise, there are a dozen plus places you could have a leak.
>
>Your O2 sensor is probably fried as well(leaks cause super-rich running), and
>I'd fathom a guess that your catalytic converters didn't look too happy when
>they came out.
>
>Brett
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>
>
>

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