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spooling

  1. A

    C250TD no power, no kick down, cant feel turbo spooling up

    Hello I have a wonderful C250 TD that has been very reliable however last night on the motorway after about 150 miles of driving it felt like there was no power, or at least no assisted power from the turbo. I could rev it up to around 1800-2000 mark and usually you can feel the car with a...
  2. mustang

    turbo spooling noise ml 270 ?

    hi all. have been looking at some old posts. i have a hissing/whistling noise coming from my turbo/air box area on my 2001 ml 270 brabus (d4) i was told it could be something like the bypass valve or something ? it retuns the unwanted boost back into the exhaust when its not needed ? it makes...
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