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: yoyo/surging feeling under acceleration


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benggolf
Jun 3rd, 2003, 09:07 AM
Originally posted by An_S_4_Me
Put it this way 10500 miles of yo-yoing I was pretty fed up with it and knew it pretty well, I also know that whatever they did yesterday fixed it to the point where I can't even detect it slightly, they said they'd replaced the supercharger seals, maybe they did an s/w update, but if you've got this problem, it's definately worth a pop because my car's so much nicer and more satisfying to drive now.

Andy

Andy, would you mind checking if they did a ECU update (Version 33.2)? The technician just emailed me that a recent Service Bulletin says version 33.2 is supposed to help with this problem as well as the cold start and rough idle condition.

I am due in for service (clicking steering, ECU upgrade and other minor fixes) tomorrow and wish to re-confirm with anyone out there that has this s/w update done and actually improved or cured the surging/yo-yo problem. TIA! :)

With the ambient temperature rising, this yo-yo problem is simply getting worst. It is downright annoying!