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1-20 of 24 Results
  1. Focus ST Maintenance
    Hey guys am trying to get access to my downstream o2 sensor to put on a Defouler but am not sure if I can take this off ?
  2. Focus ST Electronics
    My boyfriend has a 2018 Ford Focus ST2 package and has been trying to figure out how to permanently add the "ST Performance" display on the IPC screen. On the Sync3, he understands how to get the "ST Performance" logo on the nav screen going through Forscan, which he is going to do, but he...
  3. Focus ST Discussions
    I have a 2016 focus st3 with a stroker motor with cams built by mountune w an lsd n act clutch. Where the hell do I even try to sell my car? The car has a little over 19k into it.
  4. Focus ST Discussions
    I just did a motor swap and my idle has been running weird. When driving feels completely fine just turbo isnt fully boosting fully to full potential only to 14 psi. Code p0507 will pop up and i will erase it and it will go away and come back. Sometimes when i turn on the ac it allows it to idle...
  5. Focus ST Guides
    I didn’t think my first post here would be a bad one, but here goes… So the other day turn my car on and I see the engine maintenance light on and take it to get it checked out. Long story short they (Autozone) determined it was an underboost code… I need help, PLEASE, I have very little to no...
  6. Focus ST Accessories
    I have a 2015 focus st. It was leaking coolant so I took it in so they could fix it. A week later I found out they fried the computer system so they replaced it all, but said it was from the accessport. Is this true, Because I have never heard of this before? So now I have to plug it back in...
  7. Focus ST Performance
    Hi so I got my focus st about 8 months ago. I got it stratified tuned and installed a catless downpipe myself. I was kinda concerned about not getting a tight fit with the turbo and downpipe but I thought it was good enough and went with it. About 3-4 months after I had the stratified tuned I...
  8. Focus ST Discussions
    I noticed over the holidays that the plastic trim on my passenger window started to bubble (?) and give off a purple hue. See pictures. Anybody know the cause of this? How can I get the trim piece replaced?
  9. Focus ST Discussions
    So I changed my coils and checked my spark plugs and they look fine, but I wanna mention I had a cylinder head crack, and I didn’t change the spark plugs after replacing the cylinder head, my exhaust keeps back firing a small amount, but it’s very concerning any idea what I could do? Need help!
  10. Focus ST Maintenance
    Coming home from work, I did a 40 roll in 3rd gear and the car did not pull like it should have (hell even my girlfriend noticed). I checked for a negative spike in the ignition correction but everything was good, even the boost was normal, but my afr was acting strange. When I lay into the the...
  11. Focus ST Maintenance
    So my mechanic changed my cylinder head because unfortunately there was a crack inside the old one, pistons where in good condition “thank goodness” but after the installation the car feels like it’s not getting power it gives codes like cam shaft position A-B and that the turbo blow out value...
  12. Focus ST Discussions
    About 2 weeks ago my car wasn't really making boost on my way home and my bov wasn't going off almost at all. When I got home and restarted my car I had the codes P0106 and U012D. My AFR was very rich as well, going The AP said it was a MAP sensor fault & a comms error so I replaced it and my...
  13. Focus ST Discussions
    I have a 2016 Ford Focus St and I’m planning to buy a 2017 cylinder head because mine some how blew, my only concern is would it fit and still run?
  14. Focus ST Australia
    Hi ST owners, I'm in a bit of a bind with my wheels and really need some help. My lock nut key was 'misplaced' by an extremely unreliable panel beater, who is denying liability/blame. Parts manager at my local Ford dealership says that without knowing the exact code of my locknut key (which I...
  15. Focus ST Performance
    Want to get my car tuned to an e-30 tune but I'm not really sure how the process works. I am 16 and bought my 2015 focus st with full bolt ons and a custom 91-93 jst tune. I'm looking to probably stuck with the jst tune because that's what it has already. I want to get a e-30 tune bc my ign...
  16. Focus ST Discussions
    Hey I have a 2015 focus st with a 91/93 jst custom tune and I bought it with this on it already. Recently the knock sensor on the cobb ap like jumps from 0 to 1 but like for a split second but still says 0/1 knocks detected. Also the negative ign has been jumping a little bit compared to normal...
  17. Focus ST Discussions
    I have recently purchased the Panda Motorworks BOV Flow Kit with the Turbosmart Race Port BOV. This will be the new valve for my new GTX 2867R Gen2. It is a hot side mounted BOV and I am trying to figure out how to route the vacuum lines using the sound symposer delete as a true vacuum source...
  18. Focus ST Discussions
    Hey, I’m new to the forum and I just got my ‘18 MK3 but it was in a collision. I need to change the subframe but was wondering from what other models can I pull it from ? I did some research and it seems like any focus model from 2012 and up but just wanted to confirm with anyone. Thanks in...
  19. Focus ST Discussions
    Hello, I’m relatively new here and would love some incite. I recently got my Ford Focus ST (ST3) and did some bolt ons and an exhaust and got it tuned (stratified). I got the car at 36,xxx. and have 41,xxx miles on it. Long story short I melted a hole through one of my piston heads and am...
  20. Focus ST Discussions
    Hey guys, I need some help... I payed $13000 for my 2014 Focus st with 98000 miles a month ago. It had an AC issue and purge valve issue. I replaced those, but after about a week, I noticed 2nd was grinding. Transmission shop said it would cost $3000 to replace all synchros and a few other parts...
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