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  1. 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...
  2. 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...
  3. Focus ST Discussions
    Hi all, I am in the market for an st and I have just been to test drive one. The car pulls fine and has passed its MOT, and doesn't have any visible cracks or leaks in the turbo intake. However, when I had the car idling with the hood up, I noticed a blow of air coming out from under the right...
1-3 of 3 Results