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low boost

  1. Focus RS TroubleShooting
    I got a 2018 mk3 rs I was driving yesterday just getting on the highway not driving crazy just getting up to speed as soon as I set the cruise control the rpm went to like 500 CEL came on and now any drive mode any gear full throttle is the same as 1/4 throttle peak boost is .5 bar or the first...
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