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Turbo problems
Posted by David Stier [Email] (more from David Stier) on Thu, 20 May 2010 06:46:13
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I am wondering if anyone has any idea why the turbo in my 1990 900 is working inconsistently. It boosts half way into the orange unless you start out at low rpms with a lot of gas and wait for it to kick in and then it usually goes well into the red. It is more likely to work this way in fourth and fifth gear. It doesn't usually want to work if you downshift. Full turbo boost occurs more often and easily as I am able to get it to work it into normal boost using this technique, but as soon as the car cools down it starts over. It's frustrating because the turbo works really well when its working and the car is much faster, but without taking this special care of starting out at low rpms it will usually only go half way into orange. So it won't really work on demand as it should. Does anyone have any idea what this could be?
posted by 67.165.1...
Posts in this Thread:
- Turbo problems, David Stier, Thu, 20 May 2010 06:46:13 <-- Viewing This Message
- Re: Turbo problems, Cmyles , Mon, 24 May 2010 07:46:31
- my vote goes for apc valve or its contacts (n/m), Siegfried, Thu, 20 May 2010 18:09:08
- That's like totally bass-ackwards, Cmyles , Thu, 20 May 2010 17:25:51
- how old are your NGK spark plugs?, vvack0matic , Thu, 20 May 2010 12:52:03
- Re: Turbo problems, Simon S, Thu, 20 May 2010 09:07:17
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