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  1. Focus ST Discussions
    I have a 2017 Ford Focus ST Last night i was deep cleaning the seats and carpets of my car. I take responsibility for the battery dying because i kept opening and closing the doors so it probably drained the battery. I ended up taking another race to work and when i got back i decided to jump...
  2. Introductions
    So I’m lost at what else could be the issue looking for some idea. 2017 with 82,000 miles threw a p0302 a few weeks ago. You can clearly hear the misfire and it stumbles quite a bit around 2,000 rpm.Checked coil packs, replaced and properly gapped spark plugs, checked and cleaned all fuel...
  3. Focus ST Discussions
    Hello, I have a Ford Focus St 2016, with a air intake from mishimoto, Cobb accessport and straight pipe. Yesterday I noticed that my air fuel ratio was really high when I was out throttle, it was going up to 43 -50 but when I was in idle and full throttle it was 14.7... Is this bad I have...
  4. Focus ST Discussions
    I have a 2016 Focus ST and I have the Cobb AP set up showing my actual AFR, on idle it’s reading normal between 14.2-14.7 but once I start moving, different gears and rpms haven’t seemed to show any difference, it will consistently run 14.2-14.7, on occasion it will drop to 12.5 but from what I...
  5. Focus ST Performance
    So i’ve been thinking about upgrading my fuel system for a long time due to the fact that besides the turbo it is the limiting factor on these cars. I do not want to do the typical 2 or 4 port aux fuel way due to the difficulty of install and things that could potentially go wrong if something...
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