200q20v stalling

Kneale Brownson kneale at coslink.net
Fri Jun 2 21:05:19 EDT 2006

Bypass valve failing or turbo plumbing leaks.   "Chipping" modifies the
ECU.  The chips are inside the ECU.

At 12:31 AM 6/3/2006 +0000, martinkuetzing at att.net wrote:
>I have a stalling problem that appeared litterally "overnight", a few weeks 
>ago, and now is a regular nuisance.
>When either accelerating or decelerating and depressing the clutch to shift, 
>the tach will drop through idle and the engine will stall.  There is never 
>any stalling at idle (at a stop light, for example), and reving the engine 
>at a standstill will not cause this condition.  Also, this problem does not 
>appear to be engine temp related.  If there is enough motion of the car, 
>releasing the clutch will restart the engine.  Or if this occurs while 
>coasting to a complete stop, the starter restarts the car perfectly.
>But, in a typical thirty minute trip around town, the car may stall ten to 
>twenty times in this manner.
>Also, there is a another (unrelated??) problem that's been around for a 
>while, that appears to be boost related.  When "punching" the throttle under 
>conditions when max boost are expected, the engine appears to cut-out as 
>though the ECU may have sensed an overboost condition.  Reducing the 
>accelerator a bit clears the problem.  The car has been chipped, but has an 
>unmodified ECU.  The panel boost gauge shows 1.4 to 1.5 when this occurs.
>Any BTDT's?
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