Date: Fri, 19 May 2000 23:34:27 -0400
From: "14-219" <>
Subject: Re: lack of boost in 900T

Tom Reed <> wrote in message > Hi all, > > Car is an '85 900T 16v. It's just not getting boost (perhaps 2mm > into the yellow area on the gauge), but the turbo itself seems to > be functioning correctly (at least I can hear it spin). A non-boosted 85 900T is boring. > Here's what I've already tried (after reading through the archives > at Deja) > So... what does this mean? I'm thinking that the wastegate may be > stuck open, but if it is I can't hear it (at least not from inside > the car while driving). Is the wastegate actuator bad or is it > something else entirely? Check the wastegate rod. I had the same symptoms. > A little more info: a few months ago I tested the solenoid valve > (connected it to 12vdc); it opened and there wasn't any chattering. > A few weeks ago (after having a similar problem) I found one of > electrical leads to the solenoid valve disconnected. I plugged it > back in and boost levels were fine... for about a day. Now this > problem. It doesn't seem to be the same problem, though, because > with the solenoid disconnected I was having drivability and > overheating problems, which I'm *not* having now. > > And a possibly related (or not) problem: whenever I've been driving > for some distance without stopping (ie. on a freeway or even if I > just hit the stoplights right), the idle is way too high when I > first come to a stop. Is this the AIC valve or something else? Vacuum leaks? -Ray -- To reply via email, lift off the throttle.

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