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rough idle
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  1. 9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    The car in question is an '06 9-3 Aero with roughly 128,000 miles on it. A few months ago, I drove it for a good part of a day and it drove perfectly fine. Then, the next day I started it and after about 30 seconds of running normal idle, it started misfiring, the engine light came on, and...
  2. 9-5 Workshop
    Hello all, When I turn on the AC in my 1999 9-5 2.3 automatic wagon, the idle gets rough. Is there a high idle circuit not working or something wrong making this condition happen? Hopefully someone can help, and thanks in advance 👍🏼😊
  3. NG900 & OG9-3 Workshop
    Hey everyone, so basically, after some hard driving, my car my made a loud whoosh sound; at roughly 75-80mph. Shortly after, a check engine light appeared and my car had a loss of power, followed by stuttering and consequent hard stalling. I was barely able to limp my car to an empty parking lot...
  4. C900 Workshop
    Hi all, Hoping someone might be able to shed some light on an issue IIve got with my 1990 Saab 900 Turbo (LH 2.4 Bosch system). For a few days I heard a faint buzzing sound coming from the engine. It would get marginally louder under acceleration, but other than that the car was running ok...
  5. 9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    Ive been fighting a misfire in cylinder 6 on my 08 93 aero 2.8 v6 fwd. Ive replaced the coil, sparkplug (gapped at .034), injector, and injector wiring harness. I know im getting spark out of the coul and plug and im not sure where else to look. The problem is mostly persistent but every once in...
  6. 9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    Hi everyone. I have rough idle at startup. I have a video in the link below. I have read that newer Saabs (07-08) have had this issue and it was bad valves. I'm hoping that's not the problem as I think it may be too costly to repair. Should I start with new plugs and go from there? Thanks...
  7. 9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    Hello, I have a 2004 Saab 9-3 Linear Automatic with 192,000 miles. I have read many posts on this site to try to identify my issues below but I wanted to see what your thoughts are. At this point in the cars life I don't want to spend too much trying to fix the issue. Roughly 5 years ago I...
  8. 9-5 Workshop
    One evening my car started running rough, but I had to drive across town to pick up my kids so I pressed on. By the time I got to them it was worse, but still moving. Shortly after getting the kids, it overheated, the steering got real tough, oil overflowed from the oil fill cap, and the...
  9. 9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    My 9-3 (2005), check engine light has been on for a few days. Yesterday it ran real rough and I could smell gasoline. Today it's running fine, but I had a mechanic clear the codes and then recheck it after the light returned. He said it's coming up "injector circuit in 1,2,3,& 4." Any...
  10. 9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    Hi, I have a 2006 9-3 2T wagon. I bought it for my son as a first car, and had nothing but trouble after about 4 months of owning it. My first problem was getting the codes P0204, P0203, P0202, P0201 & P0245, accompanied with the gas smell, white smoke and the other standard issues. I took it...
  11. 9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    Here's a link to a video I took last night. This only happens on start up, immediately after the initial crank's RPMs drop to normal idle speed. You can only hear/detect this at idle. Drive for about 2 minutes & it warms up & it's gone until the engine cools off again...
  12. 9-5 Workshop
    Hi, I recently (6 months ago) bought a 9-5 2002 model with about 120K to replace my old 9-5 1998 with approx 250K which still ran very smoothly but was falling apart interior etc. after a hard life. The new one has lots of power but is vibrating when taking off and idles a bit rough when put...
  13. NG900 & OG9-3 Workshop
    Hi all, let me get started by saying I'm not posting to waste your time. If I had found an answer up until this point I would not be posting here. My 2002 Saab 9-3 SE has been driving me crazy, lately. It has been idling very rough and misfiring while running. It runs so rough, to the point it...
  14. New Member Introductions
    Hey Everyone ! I am really excited to be a part of the community. I do need some help. My '00 95 2.3t is having some idle and smoking problems. The car drives fine at speed but when ever i come to a stop, she idles roughly. Almost so bad to where i feel like it will die on me. Not only that...
  15. 9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    Hello All, I've been getting an error code P0638, which kind folks here tell me and research on this board denotes dislodged pins in connector H42-2. However, I am unable to find any information on the location of this connector (besides somewhere under the battery tray). Can anyone please...
  16. 9-5 Workshop
    I an having idle issues with my Saab 9-5. I replaced the MAF today and it hasn't changed anything. So now I am wanting to try the MAP. However, I am not sure I know where that is located. I am being lead to believe that it is what's shown on the attached file. However, when I look up the part it...
  17. 9-5 Workshop
    My daughter's 2001 9-5 V6 has just started running very rough with a very loud knocking noise. At first I thought it was the DIC because I was having an intermittent problem with the car acting as though it was dropping out a cylinder then catching itself and running fine again. This knocking...
  18. NG900 & OG9-3 Workshop
    Man, I'm going to get a ton of flack for asking a really vague "what's wrong with my car" question, so please make the flames entertaining for all, OK? :P 2001 9-3 with 175k miles... My car developed a subtle rattle from the engine between gear shifts under higher acceleration (merging onto...
  19. 9-5 Workshop
    2 weeks ago I got rear ended at a stoplight in Charlotte (about 25 miles from home) by a Mitsu Montero Sport. I was stopped, they were stopped, and apparently, they thought the light had turned green... I had not moved. Banged up the bumper and liftgate, destroyed a parking sensor, and...
  20. 9-5 Workshop
    Hello all, this is my first post. I have a 2000 Saab 9-5 Wagon 2.3L Turbo. I have tried doing google searching and all else (except going to a mechanic) to try and figure out the best way to do this. I went and bought a bottle of sea foam that I want to put through the intake manifold in hopes...
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