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  1. Focus RS TroubleShooting
    Hey hey -- anybody get this trio of codes thrown at them before? Some background: My cat was already replaced @ 30K miles by the dealer under warranty, seems to be failing again? Car has 60k miles, been running a stock tune for the last 20k miles (kinda scared to put the Mountune back)...
    cel engine code check engine mountune
  2. 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...
    engine code check engine low boost troubleshooting
  3. Focus RS vs The Competition
    So I recently was driving on the freeway the RS completely went in limp mode, all electronics turned off and had no power steering, then the engine turned off. Had a weak battery so I changed it, now the same thing is happening, the cars battery light comes on and everything starts to shut off...
    accesport code engine code check engine
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