Intermittent stalling

[Phil Rose]

At 12:22 AM +0100 12/1/03, Eyvind Spangen wrote:
>When I press the clutch right after "pushing" the engine with boost
>and more than half throttle, it will often stall and require
>restarting. Sometimes it stumbles a bit upon restarting. This never
>happens under normal conditions, but I have noticed the idle seems to
>go very low and then back up.
>
>Can this be the bypass valve malfunctioning?

Yes, that stalling is a typical symptom of TBV malfunction.

>  I can hear it working, a
>small "psscch" sound when letting off the gas pedal after boost..
  Another symptom--it should be silent.

Phil
-- 

Phil Rose
Rochester, NY USA
mailto:pjrose at frontiernet.net