My 2005 volvo xc90 it shows codes P0027 P2401 and P2419 what parts i need to replace?

See this possible fix:
https://www.scionlife.com/forums/maintenance-car-care-1604/cel-codes-p043e-p043f-p2401-p2402-p2419-142448/

P2401 OBD II Trouble Code P2419 OBD II Trouble Code

Volvo Oil pressure sensor Part 30713497

this will show you where it is and where to buy it.

Removal and install should be a one wrench job.
Hope this helps

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From a website:
http://repairpal.com/check-engine-light-with-code-p0456-684

The Check Engine Light may illuminate with five EVAP system related fault codes stored. Our technicians tell us this is generally caused by a faulty EVAP system pump module, which is an integral part of the charcoal canister. A revised canister is available to correct this concern.

go on down the line of the evap emission system starting with a smoke in vac lines look for leak if none then check catalytic conv

I did a Youtube video that shows the exact location of the chain and timing marks for the Volvo 2005 XC90. https://www.youtube.com/watch?v=OPEJAXmYZ8U&feature=youtu.be

http://www.matrixowners.com/tsb/T-EG002-06.pdf

 

this sounds like your problem

here is the fault read out page for most volvos http://volvospeed.com/vs_forum/index.ph ... =66705&hl=
hope this works for you if not send email to me [email protected]

There is a TSB on those codes to replace the evap canister module assembly. I THINK it is covered under the 8/80k federal emmisions warranty here in the US. (I'll check and get back to you) or you could contact your dealer to see if it is. That is not a cheap part to replace.