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  1. Focus ST Discussions
    I recently bought a 2018 ST with aftermarket awe exhaust, injen intake, and a throttle body spacer. (that's all I've found) I had a problem starting about a week ago where if I accelerated and reached anything over 10psi of boost it would misfire and no longer rev, it almost sounded as if it was...
  2. Focus ST Maintenance
    I recently bought a 2013 ST and when I bought it the guy said it had one problem, it would pop out of gear when near a stop (1st or 2nd gear) and a message would pop up saying "Engine Malfunction take to mechanic immediately", but as soon as you turn it off and back on it is back to normal. Ive...
  3. Focus ST Reviews
    Hi everyone! In the process of buying a 2016 Ford Focus ST 3 diesel. I’m just wondering does anyone know of any common problems ( mechanically) I should know about before going ahead with it! I would really appreciate I’m new to ST! Thanks :)
  4. Focus ST Discussions
    I’ve had my boomba bov on for about a year. Recently i have noticed that if i turn the engine off and leave it off for a hour or so and then drive again the bov sounds very clogged or doesn’t work period. After a few miles of driving it starts to clear up and sound normal again. Anyone else ever...
  5. Focus ST Maintenance
    This issue just started a few days ago, when not touching the gas the RPMs are increasing. It will randomly shoot up to about 4-5k without me touching the gas. No check engine light or any other lights. It will do it both when hot and cold. On startup, it'll shoot to about 3k then settle then it...
  6. Focus ST Maintenance
    2014 ST2, 23,000 miles (one owner), perfectly maintained, OEM except for cold air intake, catback exhaust, catless downpipe, +signature below. ---------------------------------------------------------------------------------------------------- Suddenly experiencing a strange noise and asking...
  7. Focus ST Discussions
    Just recently I’ve installed a Steeda intercooler as well as a turbo smart blowoff valve. The car is having a some problems as in throttle response. I would put the gas pedal to the floor and it was accelerating slow and barely picking speed. I had reseted the ECU and the KAMs, but the problem...
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