That's normal. Stays open ~10deg for idling.

abscate. Just started to prepare to clean out the throttle body and when I removed the rubber hose, I noticed the butterfly or throttle plate is slightly open. I will assume that the inner plate travels 90 degrees when operating the car but is this normal or a bad sign that it is not completely clo...

Sorry, follow-up question. Does anyone know the size(s) needed of flare wrenches for my P2? Metric I will assume. 13mm worked for me. these cost me around $12, excellent. https://www.amazon.com/SATA-Full-Polish-Removing-Replacing-Conditioning/dp/B07V4315PX/ref=sr_1_2?crid=1E41OLGT8U5WS&keywords...

If you have a local NAPA store, they should have a small metric set.

Holy Cow, you guys are great! Maybe I have some hope after all. I sure don't have any disposable cash like $1,100 right now. abscate, you are correct in that this mechanic does have one of those cameras (Borescope) you spoke of. This mechanic I have only used in emergencies in the past as his labor...

you guys might like to try a fluid tester, similar to moisture meters used in boats to check for moisture in transoms. I just ordered this one. volvos aren't as susceptible to moisture as typical American cars , they use ni-cop line which doesn't rot out from the inside and resists external rust far...

I like the hand vacuum pumps like this one.
https://www.harborfreight.com/brake-ble ... 63391.html
Mityvac is also good, but I have broken the pump handle on the plastic Mityvac pump.
Also good for vacuum leak checks, vacuum diaphragm tests, and sampling fluids.
volvolugnut

I got this one
Motive Products 0090 Power Bleeder Tank https://a.co/d/81dCEFg

Does this help?

https://www.matthewsvolvosite.com/volvo ... -tutorial/

The evap system is a large array of hoses and components, any of which could be a failure point. Under your hood there is a diagram of the evap system. You can start by visually inspecting the hoses. A common one is the hose tree with check valves near the purge valve on the intake manifold. The bes...