Bump.

I have a 2004 s40 with p0507
Wondering if anyone has any advice?
I have already:
cleaned throttle body
Cleaned IAC valve
replaced plugs and coils
replaced battery
checked for vacuum leaks with a can of carb cleaner

it used to give me P0506 instead, it went away and now i have P0507...
not ...

Hello, for the last month or so I have ben experiencing this issue with my volvo s40

it is a 2003 volvo s40 1.9l turbo with about 108k miles on the odometer
im getting check engine code P0507 , goes off sometimes but back on after driving for a little while
When i start the car in the morning or ...