Date: 13 Feb 1999 17:01:57 GMT
From: "Pete Turier" <>
Subject: Re: Turbo going out?

I had this problem a few moths back. Turned out to be nothing more than a sticking wastegate! The boost gauge should never go into the red! If it does the over-pressure switch will kill the fuel/ignition. Hence the misfire. When the wastegate sticks closed you over-boost. When the wastegate sticks open, you get no boost. I managed to free mine by use of penetrating oil etc. My Saab tech. says this is common especially after the head-gasket has blown in the past. All the crud seems to collect and bake onto the wastegate spindle. Hope this helps, Pete. wrote in article <7a00it$4b$>... > I suspect my Turbo may be failing. The symptoms are as follows: Cutting out > at high boost. Under heavy accel, usually in the higher gears, the boost gets > up to about the top of the yellow and maybe a bit into the red. All of a > sudden the engine will cut out and start stuttering for a bit. Then it goes > down to base level and drives normally. > > Just recently, I have noticed that sometimes the car is unable to get full > boost. What I mean by that is that the gauge will go up into the low yellow > and not go any further. This is seemingly random. Am I right to assume the > Turbo? If not, I would sure appreciate any input and ideas. Thanks! > > would > > 88' 900T > > -----------== Posted via Deja News, The Discussion Network ==---------- > Search, Read, Discuss, or Start Your Own >

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