P2441 Subaru - what's the more common fix with this code. Thank you

Question

With this code is the valve or sensor the more common problem. Thank you

Answer 1

Hi there,

The valve is more common on these for failing then the sensor. You can connect the bright green D check connector and make sure it's clicking but that doesn't always mean the diaphragm is good. Make sure the duct work is in place as well.