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  1. Mk2 Turbo & Intercooler
    seem to have a boost issue with my st seems to boost fine the suddenly goes into limp mode bringing up a code p0234 and maf p0101 ive already changed teh MAF, MAP sensors running a Collins actuator after running Forscan as well noticed its making about 33psi boost then cuts all boost and cant...
  2. Mk2 Turbo & Intercooler
    Hi all, I've got one of the MAC boost solenoids but it came with bare wires and no wiring connector, so I purchased one - had a good look around but can't find any info, was hoping that someone here might know which way round the wires should be set up? Photo:
  3. Focus ST Mk2 Non Technical Discussion
    Has anyone replaced the boost solenoid from under the car ie on a ramp? I know people talk about going at it through the drivers wheel arch! Is it easy/easier to do when it's up on a ramp?
  4. Mk2 Turbo & Intercooler
    Got a group buy on a new boost solenoid so just fitted it (thought old one fine till fitted new one) ....boost was instant off the scale running mod x but today it seems to only boost half up gauge and drops off with obvious loss in power and not good when overtaking when it happened in 5th but...
  5. Mk2 Engine, Exhaust and Induction
    Hi Guys, I know there many boost solenoid topics and I've read most of them so I understand the general symptoms related to them. I suspect mine isn't quite right, but I'm a little unsure if the issue is just in my head. Firstly as a bit of background - I have the MP260 map and cat back (fitted...
  6. Mk2 Turbo & Intercooler
    When cruising at around 70-80mph on partial throttle my turbo loses/gain boost occasionally. You can feel the car jolting a little when this happens. Not a massive issue but still annoying. Maybe solenoid??
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