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  1. Focus RS TroubleShooting
    So recently purchased a 2018 RS in Red that had extensive mods on it From what I have been able to figure out so far: RMM Intercooler and Charge Pipes Water Methanol Injection Stage 2 (AEM) Precision Turbo (Big Turbo) Terra Sparco Rims Matte Black Rally Armor Mud Flaps Mishimoto Catch Can...
    #help check engine light vct
  2. Focus RS TroubleShooting
    I just replaced both O2 sensors with new Ford parts. Right after starting vehicle the P0135 O2 Sensor Heater Circuit Bank 1 Sensor 1 code came on which I have never seen before. Any ideas? Thank you.
    check engine light emissions o2 sensor p0135
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