Not quite related to the PCV other than someone running the car without the airbox on.
2 Faults Found:
000256 - Mass Air Flow Sensor (G70): Supply Voltage
P0100 - 004 - No Signal/Communication - Intermittent
Freeze Frame:
Fault Status: 00100100
Fault Priority: 0
Fault Frequency: 1
Mileage: 69588 km
Time Indication: 0
Freeze Frame:
RPM: 0 /min
Load: 0.0 %
Speed: 0.0 km/h
Temperature: 77.0°C
Temperature: 44.0°C
Absolute Pres.: 1010.0 mbar
Voltage: 12.319 V
008583 - Bank 1; System too Lean at Idle
P2187 - 004 - No Signal/Communication - MIL ON
Freeze Frame:
Fault Status: 11100100
Fault Priority: 0
Fault Frequency: 1
Mileage: 69609 km
Time Indication: 0
Date: 2000.00.00
Time: 09:31:46
Freeze Frame:
RPM: 768 /min
Load: 16.1 %
Speed: 0.0 km/h
Temperature: 90.0°C
Temperature: 44.0°C
Absolute Pres.: 1010.0 mbar
Voltage: 13.716 V
Readiness: 0000 0000
All cleared and saved. Short test drive didn't show anything further so (touch wood) job done.
So then I coded his Nav and enabled his hidden menu all without any lovin'.