What happens after 1.5bar?

[Mike Miller]

----- Original Message -----
From: "Dave" <morpheus0213 at yahoo.com>


> Fellow Listers,
>
> After the turbo produces 1.5bar pressure what happens?
>  I'm trying to pinpoint my violent bucking problem, it
> seems as though when I get to 1.5bar the car will
> violently buck.  I'm guessing it's electrical because
> it seems to continue happening even when it doesn't
> reach 1.5 after the initial instance.  I am leading
> towards the ECU for that reason guessing that it must
> be reset to continue normally until 1.5 is reached
> again.  Of course I hope it isnt I'd rather not but
> another grand into the car right now but any input is
> appreciated.
>
> Thanks in advance,
> Dave Pianka

This sounds like you are hitting the overboost fuel pump cutoff.  Once that
is triggered, you cannot get above 1.3 bar until the ignition is cycled.
Perhaps your boost gauge is off and you are seein gmore than 1.5bar to cause
it?

mike miller
helmville mt