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knocking sound

  1. Knocking noise when hot (fuel?) and Fuel gauge issue

    Modern Maserati
    Hello! I notice my car is making a knocking noise (noticed this for a few months). It does this when the engine is warm. Maserati said it's the type of fuel I use, I use Premium from Shell or BP. I'm afraid to put booster in the tank!!! Are you experiencing this? What do you do? It drives like...