Date: Fri, 05 Jun 1998 13:10:50 GMT
From: (Fred E. Davis)
Subject: Re: 9000 Turbo boost pressure

On Fri, 5 Jun 1998 13:33:26 +0100, "Paul Aspinall" <> wrote: >Sorry, I meant that it does not enter the start of the red zone. >As far as I am aware the needle should go to the start of the red zone, or >at least to the end of the yellow. My problem is that the needle only goes >half way into the yellow. It does not always go all the way. > >Any ideas? An out of spec gauge? An air leak in the hoses, couplings, intercooler? I had a problem once right after the car had been serviced. The boost would start going up, but top out in the yellow. I also noticed the sound of a lot of rushing air. When I checked under the hood, I found the hose that coupled the intercooler back to the intake manifold wasn't completely pushed onto the metal pipe which caused an air leak under pressure. Pushing the hose completely onto the pipe and tightening the hose clamp solved the problem.

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