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detonation

  1. Loud, terrible BANG under boost when cold???

    NG900 & OG9-3 Workshop
    Ok so I just picked up a 1999 9-3 base model (T5) and it's acting oddly when the engine is cold. I didn't notice at first (the temp gauge doesn't work) until I hooked up my Kiwi and found out that it only acts up when the engine is below operating temperature. If you get on it too hard and hit...
  2. Detonation/ Knocks

    9-5 Workshop
    I am having huge amount of Detonation/Knocks (20-30 per cylinder/per with mild acceleration) as Out of Intercooler Temperature reaches 40°C (104°F) and higher. After this happened Trionic knock limiter is applied and car losing the power. When Out of Intercooler Temperature returns to below...
  3. Detonation during cruising/gentle acceleration

    9-5 Workshop
    Detonation/Knocks (20-30/ per cylinder on 15-20km trip) during cruising or gentle acceleration. With WOT – same amount of Knocks. 9-5 Aero MY07, 35k miles.Gasoline grade - premium 94(RON99?) AMUL -50 to +50 Misfires 1-2 per cyl. after WOT Changed Spark Plugs, cleaned MAF sensor...
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