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22 January 2015 #1
Ruben K Saab Fan
- Join Date
- 07 Jul 2011
- Location
- Glendale, CA
- Posts
- 28
- Saab(s)
- 2011 Saab 9-3 Turbo4. My dream SAABs : 9-3 Turbo X, 900, Sonnet III
Weird Start Up
'11 9-3 T4 Auto/Tech Question
Some times when I start up my car it revs up and down between 1K rpm and ~700rpm and the engine vibrates a bit. I'm assuming a small vac leak because it happens rarely, but when it does it kinda freaks me out. Anyone might have a clue into what it could be?
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28 January 2015 #2
Frank Administrator
- Join Date
- 30 Jul 2010
- Location
- USA - Netherlands
- Posts
- 7,901
- Saab(s)
- previous: 2006 9-3, 2001-06 9-5, 2011 9-4X
<moved to the 9-3 Workshop forum>
My 9-5 has an occasional bad start up where there seems to be much more vibration and rough engine running. Not sure what it is but as long as it is very infrequent and goes away after restarting the engine, I am not too worried about. And pretty difficult to troubleshoot.
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