HELP.....Total Frustration! LONG - Saab 900 Bulletin Board - Saabnet.com
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HELP.....Total Frustration! LONG
Posted by SJS (more from SJS) on Sun, 27 Oct 2002 18:05:22
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I'm just about 2yrs into my first Saab ownership and I've learned a great deal about DIY repairs i.e. Ball Joints, new Radiator, new exhaust, and most recently Alt. Bushings...not to mention oil changes, tranny fluid changes etc etc.......all the stuff an idiot like me can do.
BUT....here is the rub.....I have this frustrating problem that I can't seem to get rid of:
When the car is started when warm.....the idle oscillates...up and down up and down usually between 600-1100 RPMS. When the car is placed into park....when warm....the idle oscillates...up and down up and down.....600-1100 RPM's. Tho, it never stalls during this.
It never does any of this when started cold. Idle is rock steady when cold.
Now.....for the replacement items:
1) New AIC(only 3 mos. old)
2) New ECU(1 yr old)
3) Used AMM off eBay for $30(tho, i thought AMM was a cold start idle problem??)
4) New NTC sensor(1yr old)
5) New silicone vacuum hoses(1 yr old)
6) Cap/rotor, plugs and wires(about 1 yr old)
7) Cleaned every ground contact that I could get my hands on
8) New fuel and air filters(1 yr old)
9) New Bosch O2 sensor(1 yr old)
10) And God knows what else....!
Will greatly welcome any and all suggestions.
1989 900/base n/a 121,000 miles - automatic
SJS
P.S. I'm about to take it into the Saab dealer and have them put it on a diagnostic machine just to ease my mind!
posted by 68.53.1...
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