Hi everyone,

I'm about to do my second oil change on my 2006 S80 (P3 generation, 2.4 D5, 185 hp, D5244T4, VIN: YV1AS714071001579) which currently has 290,000 km (29,000 mil) on the clock. The DPF and EGR are fully intact and I want to keep the system healthy.

Currently, the engine runs on Motul ...

Hey Rick,

Thanks so much for taking the time to put this list together!

I actually just got some help on a Swedish forum where someone looked up my specific VIN. It turns out my early build needs part number 31370469, so I'm going to go ahead and order that one.

I really appreciate your effort ...

Hi Rick,

Yes, now I am sure about the locations!

At first, I replaced the lower sensor (the one accessible from a pit that had the soldered wires). Because the P0427 code flipped from "low input" to "high input" the moment I disconnected it, I focused all my attention on that bottom one. I see now ...

Sorry for the delayed reply, I've been completely swamped lately!

Regarding the heat soak and leaking intercooler pipes for the P0299 code: that makes perfect sense. I actually tightened all the hose clamps a while ago and haven't had the issue since, so you were spot on with that!

As for the ...

Hey guys,

Dealing with a couple of annoying issues on my '06 S80 D5 (P3) and could use some advice.

First one is a persistent P0427 code (Cat temp sensor low input). Parts catalogs seem to be a complete mess when it comes to these exhaust sensors. Can anyone tell me exactly which sensor triggers ...