Yes, I had some stalling and P2190 and P0497 codes. I just went ahead and replaced the air filter, purge valve, and boost control valve too. So far, the engine is running like new. Almost at 160k.

I had a LOT of trouble figuring this out, with little info out there, so I decided to post. 2004 XC90 T6 gave me a check engine light and P0074 code, ambient air temp sensor. Sensors are located on the bottom of the side view mirrors. The driver’s side p/n 8650033 appears to read the temp for the ec...