Date: Sun, 22 Oct 2006 10:58:36 -0400
From: "peters80" <>
Subject: Re: '93 9000 Aero misfire...

it sounds to me like the engine is boost cutting, this happens when the boost pressure is to high the ecu closes the throttle for a split second causing a violent jult. I would try a new boost pressure control valve and check the air lines connected to it for leaks or splits. Good luck let me know how you get on. MTech

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