Date: Tue, 31 Jul 2001 19:26:31 +0100
From: "Pete Fagg" <peatspadnopsamge.net>
Subject: Re: 9000 TPS unit and fuel economy


I metered the Throttle pot on my 89 900 and found similar results but just before fully shut you should here a microswitch actuating and that was the only thing that showed up on the meter as either open circuit or making a proper contact.I was told that it was some kind of digital pot and this was right. If this is true I cannot say! Peat 18 900T16 157K danny <dannynopsamia-espresso.com> wrote in message news:3B60B480.B75041A0nopsamia-espresso.com... > I was afraid someone was going to say something like that :(... > > Thanks for the tip, > > Regards, > Danny > > http://www.gaggia-espresso.com (a purely hobby site) > swap Z for above characters in email address to reply > > > > KeithG wrote: > > > Danny, > > > > before you 'replace it' check to make sure that the switch is defective. It > > may be that the throttle plate cam has worn such that there is not enough > > throw to actuate the switch. Probably a disassemble and inspect. These crazy > > electro mechanical devices can fail the electrical test sometimes due to a > > mechanical fault > > > > good luck > > KeithG > > "danny" <dannynopsamia-espresso.com> wrote in message > > news:3B5EF18C.9403E859nopsamia-espresso.com... > > > Hi all, > > > > > > A friend was looking over the car today, both of us trying to find out > > > why my fuel consumption is high (computer says an average of 20 imperial > > > MPG) with a mix of motorway and town driving. We checked for vacuum > > > leaks, and couldn't find any. We then checked the Throttle Position > > > Sensor (TPS) and found no resistance at any of the three contacts, > > > regardless of the throttle position. (we were able to check my friends > > > 9000, which has resistance for the same test). I assume this means that > > > the unit is faulty. Anyone know where to find a pattern part or if > > > other vehicles use this same Bosch unit, rather than the full Saab > > > retail price? > > > > > > -- > > > Regards, > > > Danny > > > > > > http://www.gaggia-espresso.com (a purely hobby site) > > > swap Z for above characters in email address to reply > > > > > > > > > > > -- > > > >

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