violent bucking when reaching 1 bar boost
v8q at bellsouth.net
Tue Sep 2 22:39:07 EDT 2003
[ Picked text/plain from multipart/alternative ]
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:
>...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.
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