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Spectacular? Nah. Ask Bill Davies - he's met me...
Posted by BillJ (more from BillJ) on Mon, 24 Jun 2002 14:20:13
In Reply to: Re: If boost gauge is responding normally..., dao, Mon, 24 Jun 2002 13:32:22
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I'm assuming here that you are getting some way into the yellow on the gauge. You do have a boost problem, and are stuck in base boost. Base boost is set by adjusting the wastegate, and the car should always be able to achieve that boost pressure. However, the APC system (the electronic bit) should be able to take over at this point and adjust the boost pressure upwards as far as it thinks is appropriate and safe. This depends on a number of sensors and actuators, wchif, if not working, can leave you with only base boost.
Now we've established that, there are many common causes of "base boost" syndrome. Justin VanAbrahams wrote a decent FAQ on base boost, which covers the classic 900 and earlier 9000s like yours. It's worth a look (see below). Get back to us with more questions.
posted by 62.253....
Basic Boost FAQ C900/9000
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