I currently have a P0420 code which ive read is commonly associated with a failing cat. I also i think I'm starting to see the purge valve going bad, it's been idling a little rough and this last fill up it started surging at idle. I read that the purge valve can also cause a P0420 code. So maybe my cat is still fine for now. One other issue that has started happening is my boost pressure surges at low boost, if im lightly accelerating and getting up to 4-5lbs of boost it starts dropping down to 1 lb and surges back up to 5. I did have a charge pipe blow off not long ago, could it be a boost leak or could the purge valve cause boost to fluctuate like that?

Hello from Chicago! Anyways I am stuck with this really bad Apple CarPlay adapter that putted out after 5 months of use. Any recommendations that people have either personally or just research and such I’m open to. The one I bought was the Ottocast Mini Cube 3.0 and it is always nothing but issues, but it worked fine for 80-85% of the time. If anyone has one that screen mirrors (I spend a lot of time in my car,) then it would be helpful for your experience with that too. I would also prefer something that’s relatively small like the Ottocast, but it seems that it’s the smallest one of the bunch and I’m fine with going, bigger but not much bigger since it would stick out too much. Picture for reference…. Thank you in advance!

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Just bought this mk3 Rs and I’ve noticed a small squeak coming from the rear of the car whenever I press the clutch in or release it, only does when I’m driving and not stationary I’ve tried spraying wd40 on exhaust valve flap but that hasn’t sorted it any help would be appreciated👍

Very sadly, my ST gave up last month. White smoke from the exhaust and drinking coolant fast. It served me well for 5 years as my first sports car, and as the only car I owned at the time. Some great times, including taking both of my kids home from the hospital in her! I've now sold the ST to a guy who plans to do it up over the winter as a bit of a project (was 100% up front about all the issues). Really hope he gets as much enjoyment from it as I did.

However, the ST breaking down was the perfect excuse for a change! So, naturally I went for an RS. I am absolutely loving it. A previous owner had the mountune 375 package done back in 2017. It feels like an absolute rocket compared to the ST! Wallet has taken an absolute hit so not considering any mods in the near future (less a mountune air filter as someone has swapped an OEM filter back in) - but a cat back exhaust seems like a sensible mid term goal (within next year). Would just like it to sound a little "throat-ier".

Here's a photo of the two cars sitting side by side when I briefly owned them both earlier this week!

Headed down the interstate to the beach and the engine just let go suddenly. Lost all oil pressure, so it's undrivable.

Hoping to get a new engine but not counting on it. If this is goodbye, it was an awesome car while it lasted.

Only about 73k on the clock :(

Hey all ,
Wanted to get other owners opinion on tuning the RS.
As far as i can tell tuning is a thing but it decreases reliably. Id like to own this car as long as possible. I also heard that the AWD system can suffer faults far before the engine or the gearbox.

If anyone who has a tuned rs can speak on it.

I brought the car 6 months ago and love every second of it. Previous owner installed lowering springs and rear caliper cover. Caliper cover Looks good and color matched the front but at the same time I felt it a little riced but I left it on, probably remove it down the road. It also has a remote control exhaust valve and a muffler bypass on the stock exhaust and a shift knob. Engine is stock with only a AEM dry intake.

tl;dr: whats the stock BPV spring pressure spec? or at least, is it over or under 8lbs? best guess? google isnt really helping me find out and instead gives me WGA spring pressures or (lol) links to valve springs...no need to read further, thats the crux of what im trying to find out rn

for completeness's sake...

While still trying to sniff out my low boost problem by throwing things at the wall, I wanted to see what happens when I disco the line going to the BPV...

For reference, built engine, NX2 turbo, turbosmart 14lb spring IWG75...you can read my full issue here, but basically im only reaching 8lbs of boost while in WGA evaluation mode (should be 14lbs), visually inspected diaphragm to be good

So after pulling the BPV line off the recirc solenoid I wanted to see how much LESS boost I was getting...but literally nothing changed, stuck at 8lbs...so then I went ahead and reconnected the BPV line and unplugged the solenoid so it was "always on" and wouldn't open at all until pressure blead backwards through the supply line...no change, max of 8lbs, thankful for these low boost numbers with a "stuck closed" BPV so nothing gets damaged...

But is any of this indictive of anything?? In earlier tests I see the car is commanding the solenoid at the right times, letting off the gas, so I get it not going OVER 8lbs when its unplugged and "stuck" closed, I suspect something electronically is limiting me, but with zero pressure going to the BPV would you not expect boost to be much lower? Or does the spring behind it really hold over 8lbs?

Just replaced my passenger side motor mount with the AWR 88A. Has anyone installed this? What are your thoughts on it? I knew it would have more vibrations but I think it has more than what I thought it would. On the test drive it sounded like I was driving a wrx. Car ran fine and acted as normal. Just looking for others experiences

2016 RS1 in NB. About 3” of suspension lift, gravel rally (longer travel) spec. Changing wheels and tires before winter, just thought I’d share since I couldn’t find many lifted examples.

Anybody have any experience roll starting a focus rs? My starter is bad and I’m trying to drive it to a buddies shop a few miles away

My car was parked on the street. A bus hit a car parked behind me, breaking its mirror. Police arrived, and wrote a protocol about the broken side mirror. My car was not part of the accident, was only "dirty", so police ignored it. My car was dirty, because (not exactly sure what happened - here my assumption only) the window of the bus got shuttered and fall down on my car... Half of the car was covered by shattered glass. The spoiler, back door, rear light, rear bumper, the boot lid and wheel arch get few deeper and a lot of tiny scratches. Luckily police accepted my complaint and added my car to the report. Let's see what the insurance will say 🫣

hey guys looking at getting a focus rs its a 2017 with 91k miles what should I be looking for when I look at the vehicle

I’ve change injectors, fuel rail sensor, hpfp sensor, did the pcv plate, changed both o2 sensors with gasket on down pipe, spark plug, coils and also purge valve with charcoal canister in the back…… any other ideas what it could be?

i need a new front bumper, and was wondering how anyones experience was buying an already painted front bumper? ive been looking on facebook for partouts but nothing yet near me so ive been looking to see if buying an already painted front bumper is the way to go or to bite the bullet snd buy an unpainted one and get it painted.

Oil change Sunday.

Looks like it's got the timing cover oil pan gasket leak. ​​

might have the chance to trade my RS for a brand-new GTI on pretty good terms. Had a test drive recently, obviously mostly city driving, so I couldn’t really push it, but I have to say I really liked it.

I’d definitely miss the RS, but part of me feels like it might be time for a new adventure and something a bit newer.

Has anyone here made the switch from an RS to a GTI? What did you think of it? Would be interested to hear some real-world opinions before I make the decision.

I've owned her for almost two years now and plan on keeping her forever. I’d love to add an Escort Cosworth alongside her one day, nearly bought one before buying the Focus, but for now she has a 2004 Subaru Forester SG9 STI as a stablemate.