It was the tcv if anyone was wondering

This morning I got a couple new code p0300, p0302, p0304, p0305

No leaks found, would a faulty o2 sensor cause an issue like this?

VIDA codes: ECM-640C ECM-122D ECM-21CD ECM-21AC. I will be taking a closer look at all piping and connections this weekend.

also checked the pcv valve on turbo housing, and tried driving with the maf unplugged to see if diveability got any better, which it did not.

I have a 2007 Volvo v50 t5 awd 6 speed with 117,000 miles on it. This started with a slight drop in boost under load, it would cut out around 2800 rpms and feel very sluggish obviously. The boost sensor was changed out for a new bosch sensor, new fuel pressure sensor was installed, new snabb tcv was...