Hey guys, my wife's 05 S40 T5 w/ 82K is killing our finances over the past couple of months. Mostly maintenance stuff like brakes, tires, etc. then the A/C compressor went out and the day we got it back the check engine light came on...

I took it to the auto parts store and it is throwing code P2178 (Fuel too rich). From looking at this forum and other forums it looks like it could be anything from a dirty Mass Air Flow Sensor and Throttle body to a failing turbo.

My first step is going to be to clean the TB and MAF, but from what I understand they might not be that easy to access on the T5. Can you guys give me a quick tutorial or post some images on how to get to the TB and MAF and the best way to clean them?

Any ideas on what to do next if cleaning these two doesn't fix it? Should I do something else first?

Thanks!!