Date: Fri, 11 Aug 2000 09:45:20 +0200
From: Goran Begicevic <goran.begicevicnopsamector.se>
Subject: Re: Aero Boost


Three things: Bad APC-valve, corroded contacts to APC-valve, bad wastegate. You shouldn't drive it like this. The car probably starts pinging under heavy boost, but APC cannot correct this. In the end, overboost protection kicks in and cuts fuel supply. Fix it soon or you will need new pistons and/or head. Jeff Augenstein wrote: > > I am experiencing a problem with boost on my 94 9000 Aero. There are 2 sets > of symptoms. > > 1) The turbo over-boosts leading to the engine cutting out. This happens > most days under full throttle acceleration. I can prevent this from > happening by modulating boost with the accelerator. The needle on the boost > gauge goes way past the red zone before the engine cuts out. If I modulate > boost with the accelerator I can allow the needle to go a short ways beyond > the red zone before the engine cuts out. >

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