Date: Tue, 14 May 2002 13:21:34 GMT
From: (Lee Marshall)
Subject: Re: My dealer hasn't got a clue, can you help? ('97 9000 Aero, Manual)

On Tue, 14 May 2002 14:06:53 +0100, "Andrew Hookins" <> wrote: >Lee, > >I'm almost out of ideas know, but maybe this is a transient >spiking problem. Grasping at straws here, but maybe a >clogged cat/exhaust could cause odd spool up. The dealer thought that may have been a possibility early in their diagnosis but they changed their minds. I think it may have had something to do with the corrosion around the joints in the exhaust and there unwillingness to replace it if they broke it. Exhausts are not covered under the warranty!!! Perhaps I should take the car down to a "quick fit" exhaust centre to get them to remove the exhaust and check for blockages? Ed Abbot >of Abbot Racing explained to me a condition that can occur >when there is high backpressure between exhaust port and >turbo and/or a weak spring in the wastegate actuator. The >net result was a fast build up of boost pressure then boost >pressure dropping back down as the spring in the wastegate >actuator worked. I didn't fully understand but maybe a call >to Abbot Racing may help, I've found them to be happy to >help in the past. To save you looking them up, their phone >number is 01255 870636. > I'll give them a call. >AndyH > Regards Lee

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