Fuel issue? What next? - Saab 9-5 Bulletin Board - Saabnet.com
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Fuel issue? What next?
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Posted by Itsasaab [Email] (#2054) [Profile/Gallery] (more from Itsasaab) on Tue, 8 Sep 2020 09:46:29 Share Post by Email
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Would appreciate your input on my problem with '05 9-5 Linear 134,000 miles.
1. Very occasional stumble at idle after car is warm.
Feels fuel like. Revs drop and it almost cuts out, requiring a pump on accelerator to keep it going.
2. Also, it occasionally it has trouble re-starting after warming up. Say for example, a short trip, park, come back and the start is difficult. Everything bucks and it is not a happy camper. Requires revving to gradually clear the issue (10 secs approx) and then it is happy again.

Already replaced ....
- DIC, due to code.
- New Fuel Pump
- Vac Lines checked.
- Throttle Body
- MAF sensor is cleaned. It's done 11,000 miles.
- New Plugs
- CPS is only 5,000 miles old.

Suspicious of
- fuel pressure sensor
- fuel pump check valve
but I am purely guessing.

Any input appreciated.


->Posting last edited on Tue, 8 Sep 2020 09:47:12.
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