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  1. Does premium gas matter???

    NG900 & OG9-3 Workshop
    So I am not very knowledgable when it comes to cars :o. Anyways, I have four codes on my 2002 Saab 9-3... I bought this car at auction a few weeks ago. I have only been putting Regular gas in it. Is it possible that regular gas can set off error codes? Thanks, BK
  2. Fuel type?

    NG900 & OG9-3 Workshop
    I read on posts here about what fuel type to use but my owners manual says "unleaded gasoline that has a octane rating of 87 or higher"... I bought the car 6 months ago (97' 900 SE Turbo convertible) and was using the regular all the time, not sure what the previous owner used... Would it...
  3. Switching from Regular to Premium Gas - Issue?

    9-5 Workshop
    Hello, I recently purchased my 2002 Saab 9-5. I've had to put some money in to fixing it up, but it seems to run like a champ. I had a quick question for anyone who has any ideas: The previous owner used regular gas in it and when I purchased it I switched immediately to premium. Is there...
  4. Regular or Premium Gas

    9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    My 07 9-3 Aero says premium recommended, but not required. Can I use regular 87 unleaded? Any thoughts? Thx.