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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)...
  2. Focus RS TroubleShooting
    Back in mid march, I noticed a CEL upon cold start after a heavy/wet snowstorm. P0451 "Evaporative Emission System Pressure Sensor/Switch Range/Performance" I believe my tank was full, but can't entirely remember. Cleared it and it stayed away for a few weeks. Next time I saw it was upon...
  3. Focus RS TroubleShooting
    Had a rough evening with the RS yesterday. Curious what your thoughts are on cause. It'll be towed to the dealer today and I'll update with the ultimate findings. 2017 RS2 - stock - untuned - 7,500 miles - headgasket recall service performed March 2018 Made it halfway home on my 12 mile...
1-3 of 3 Results