This has been puzzling me for a while. My MAF air flow sensor has low readings ~500 @ 3000rpm vs 1000. The EGR stays Open the whole time , I also saw an p0402 egr excessive flow. I fixed a turbo intake leak ordered a MAF. The EGR flap does close and open when I shut the engine off.
here is vcds:
Sunday,21,April,2013,17:57:50:59305
VCDS Version: Beta 12.10.3
Address 01: Engine Labels: None
Control Module Part Number: 03G 906 016 AB HW: 028 101 223 8
Component and/or Version: R4 1,9L EDC G000SG 7550
Software Coding: 0050071
Work Shop Code: WSC 00066 000 00000
VCID: 63C56971A2B2117424F75B
2 Faults Found:
000257 - Mass Air Flow Sensor (G70)
P0101 -- 000 -- Implausible Signal
Freeze Frame:
Fault Status: 01110000
Fault Priority: 0
Fault Frequency: 1
Mileage: 259309 km
Time Indication: 0
Date: 2000.00.00
Time: 20:12:51
Freeze Frame:
RPM: 1302 /min
Speed: 61.0 km/h
Temperature: 26.1°C
Absolute Pres.: 1122.0 mbar
Mass Flow: 0.00 g/s
(no units): 2.59
Temperature: 80.1°C
001027 - EGR Valve (N18)
P0403 -- 000 -- Malfunction
Freeze Frame:
Fault Status: 01100000
Fault Priority: 0
Fault Frequency: 4
Mileage: 259311 km
Time Indication: 0
Date: 2000.00.00
Time: 20:15:26
Freeze Frame:
RPM: 1806 /min
Speed: 64.0 km/h
Load: 21.6 %
Duty Cycle: 100.6 %
Duty Cycle: 95.1 %
Mass Air / Rev.: 200.0 mg/str
Mass Air / Rev.: 5.0 mg/str
Readiness: 1 2 0 0 0
here is vcds:
Sunday,21,April,2013,17:57:50:59305
VCDS Version: Beta 12.10.3
Address 01: Engine Labels: None
Control Module Part Number: 03G 906 016 AB HW: 028 101 223 8
Component and/or Version: R4 1,9L EDC G000SG 7550
Software Coding: 0050071
Work Shop Code: WSC 00066 000 00000
VCID: 63C56971A2B2117424F75B
2 Faults Found:
000257 - Mass Air Flow Sensor (G70)
P0101 -- 000 -- Implausible Signal
Freeze Frame:
Fault Status: 01110000
Fault Priority: 0
Fault Frequency: 1
Mileage: 259309 km
Time Indication: 0
Date: 2000.00.00
Time: 20:12:51
Freeze Frame:
RPM: 1302 /min
Speed: 61.0 km/h
Temperature: 26.1°C
Absolute Pres.: 1122.0 mbar
Mass Flow: 0.00 g/s
(no units): 2.59
Temperature: 80.1°C
001027 - EGR Valve (N18)
P0403 -- 000 -- Malfunction
Freeze Frame:
Fault Status: 01100000
Fault Priority: 0
Fault Frequency: 4
Mileage: 259311 km
Time Indication: 0
Date: 2000.00.00
Time: 20:15:26
Freeze Frame:
RPM: 1806 /min
Speed: 64.0 km/h
Load: 21.6 %
Duty Cycle: 100.6 %
Duty Cycle: 95.1 %
Mass Air / Rev.: 200.0 mg/str
Mass Air / Rev.: 5.0 mg/str
Readiness: 1 2 0 0 0