Hi I have a Volvo S60 2011, and just before Christmas I had to replace the head due to aux belt snapping and wrapping itself around the cambelt. Since the car has been back together Im getting a code "Engine Service System Required" and when I put Vida on it comes up with P00BD00 Mass Airflow Sensor Bank A High..
Heres what I've done so far

1. Done a smoke test on air intake - No leaks
2. Done vacuum checks on all pipes - No leaks
3. Replaced the MAF sensor - No different
4. Replaced the MAP sensor - No different
5. Checked Intercooler Pipe - No leaks
6. Replaced Turbo Boost control valve - No different
7. Replaced Fuel filter

I even took the car into Volvo, they tested the wiring, smoke test and vacuum check - Nothing..

After the car has been reset and when its cold the car drives normal with plenty of acceleration, but once the car warms up and after approx 3 miles the car engine service light comes on and goes into limp mode, but If I drive very light footed the cars ok..

I'm at a loss and cant think of anything else..
Any help on this would be greatly appreciated..

 

hello, I have problem with the same error p00bd00. Do you solve this problem ?

 

Hi yes. It was a jubilee clip that was loose on a pipe that goes to the throttle body.. even Volvo couldn't find out what was wrong and they said it was my turbo..

 

Hi.

What do you mean by jubilee clip? Do you mean loose connection of turbo hose to the throttle body?

I have the same problem and and i have done exaclty the same things and even more.