uneven idling

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stevey - 01 Sep 2006 19:26 GMT

hiya, after replacing the drive chains on my 1998 9-5 2.3 turbo. i seem
to have developed an uneven idle. i have had it code read a couple of
times, but shows no fault! i think i may have routed a vacuum pipe
wrongly, but have no reference to look at. can any 1 shed some light
on the situation please?? also, the turbo has been replaced recently!
thanks

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Andrew Sinclair - 01 Sep 2006 20:21 GMT

>hiya, after replacing the drive chains on my 1998 9-5 2.3 turbo. i seem
>to have developed an uneven idle. i have had it code read a couple of
>times, but shows no fault! i think i may have routed a vacuum pipe
>wrongly, but have no reference to look at. can any 1 shed some light
>on the situation please?? also, the turbo has been replaced recently!
> thanks

Could be a dirty throttle body, have a look at this thread on Saabscene;

http://www.saabscene.com/saabforum/showflat.php/Cat/0/Number/31611753/an/
0/page/0#31611753

(or http://tinyurl.com/gqog9 if the link doesn't wrap)

Also, this thread on Saabscene talks about the vacuum pipes around the
throttle body being wrongly connected with pictures;'

http://www.saabscene.com/saabforum/showflat.php/Cat/0/Number/31612443/pag
e/0/fpart/all/vc/1

(or http://tinyurl.com/krsks if the link doesn't wrap)

Cheers,

Andy

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Andrew Sinclair http://www.smellycat.org

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darthpup - 04 Sep 2006 01:14 GMT

I think many Saab owners, like myself, are going to experience
carburation problems arising from the corrosive effect of ethanol added
to gasoline fuels. I have recently experienced a poor carburation
problem traced to recent corrosion in the fuel distributor.
Bosche will need to change some of the components if their design is to
survive ethanol fuels.

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