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#accessport #cobb #focusst #help 2013 focus st 2014 accessport advice aftermarket battery big turbo blow off valve boost boost issue boost leak bov brakes catless cel check engine light clutch cobb cobb accessport cobbaccessport coilover coilovers downpipe electrical engine exhaust flywheel fmic focus focus st focus st headlights focus st tires focus st3 focusst for sale ford ford focus ford focus st forscan fost fuel headlight help help needed ignition installation intake intercooler interior issue lean lowering maintenace maintenance misfire mishimoto mods mountune noise oem oil oil leak performance problem question recaro recaro seats repair rims shifter springs st1 st2 st3 stage 3 steeda stock stratified stratified tune suspension tires transmission transmission issues tune tuned tuning turbo turbo issue turbosmart upgrade warranty wheel fitment wheels winter wiring harnesses wont start
  1. Focus ST Maintenance
    Boost build up to about 8-10 psi then starts breaking up car bogs down can’t go over 50mph when using boost, Boost between then is fine. mods list Awe track exhaust Megan racing catless DP K&N high airflow filter Ngk 6510 plugs. ( installed today gapped at .026) Turbosmart blow off (installed 2...
    awe catback blowing off boost
  2. Focus ST Discussions
    While maintaining throttle and between -3 and -1 vacuum, the BOV has started to consistently blow off 1 pound for a split second, every second so long as i'm between -3 and -1, roughly. It doesn't do this on higher vacuum, it also doesn't do this while under boost, to my knowledge (leaking). Is...
    blowing off boomba bov problem vacuum
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