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misfire cylinder 1

  1. 9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    So I have a 2004 Saab 9-3 linear and and I'm no stranger to the P0300 misfire codes. I just changed the oil and filter, and spark plugs (NGK iridium). But my engine is still running rough at idle and my check engine light begins blinking after only a few seconds of running. Which (sputtering...
  2. NG900 & OG9-3 Workshop
    Following a fuel up with the usual 93octane and then the normal hard acceleration the CEL began to flash followed by staying on. Drove home lightly on the accelerator and checked the code, P1301 misfire cylinder 1 possible damage to catalyst. All plugs are checked and clean. In the US so no...