1.6 PSA Diesel engine fumes coming into cabin

BlakeS94

Missus has a 2012 Focus 1.6Tdci, previously had an issue with diesel fumes coming into cabin, outlined in this post.

https://www.boards.ie/discussion/2058296462/puddle-of-diesel-in-injector-holes

She was driving today and said there's a diesel smell in the cabin that gave her a headache. Looked at engine bay with engine running, couldn't see any spilled diesel, although some of the leak off pipe clips were rattling a bit.

Could it be the retaining clips for the leak off pipes? Don't see how that'd cause fumes in the cabin though, maybe the injector clamps being loose I know there's issues with them and they had been removed recently.

Copper washers were done shortly after buying the car. So I'm not sure what the issue is, there's no visible smoke but there is definitely a smell and can hear slight chuffing. Maybe washers again? May not have had the seats cleaned properly so are leaking exhaust again? Video attached for anyone that can provide some assistance.

https://youtu.be/HPXpObhmc_4?si=SGpK7pn6gUbB8TUL

The full video here

https://youtu.be/urUtJ3uYl8o?si=q0fU7IonmGt1dZr8

GavPJ

From that sound like a hissing for a split second, I'd say you have an injector washer leaking.

BlakeS94

https://www.boards.ie/discussion/comment/121467231#Comment_121467231

Maybe, as I said the copper washers were done recently, one or 2 of them were blowing a lot, don't know if the garage changed all 4 or just the 2 that were bad.

GavPJ

https://www.boards.ie/discussion/comment/121467341#Comment_121467341

More than likely just the 2 that were blowing. Most garages will only do the one that is leaking. Some of them injectors

can be a pig to get out so they leave well enough alone.

BlakeS94

Yeah I've ordered a rebuild kit and just going to replace all 4 again along with the leak off pipes and seals hopefully that sorts it.

Noticed there's injector knock too so 1 of them is definitely knackered but that will have to wait.

There's only slight carbon on injector #4 (timing belt end) so I reckon they'll pull out by hand

mk7r

If you can get the tool to recut the sealing face it's ideal, often times people just replace the washers but the sealing surface in the head is not flat/carboned up etc

BlakeS94

https://www.boards.ie/discussion/comment/121471891#Comment_121471891

Maybe that's what has happened so, I have this set here so hopefully the correct size is there. I understand there's barely any pressure needed and it's a case of letting the tool do the work.

BlakeS94

All sorted, got new leak off pipes from Ford today no more fumes. All injectors sealed perfect first time. Well proud of myself

https://youtube.com/shorts/Z8ZSg6ngDt8?si=16SKLrOZUjYf86vw