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#3130348 - 09/20/13 06:51 AM p0403 egr mulfunction 2006 jetta tdi
electronicspark Offline


Registered: 09/19/13
Posts: 3
Loc: ON, Canada
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: 26.1C
Absolute Pres.: 1122.0 mbar
Mass Flow: 0.00 g/s
(no units): 2.59
Temperature: 80.1C

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

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#3130358 - 09/20/13 07:08 AM Re: p0403 egr mulfunction 2006 jetta tdi [Re: electronicspark]
scurvy Offline


Registered: 02/19/07
Posts: 2339
Loc: Chicago IL USA
Ordering the replacement MAF was a good idea assuming you have verified the wiring is in good shape. Otherwise VCDS is telling you the N18 valve isn't operating correctly and you should attend to it as it controls the EGR valve ... both are fairly common problems for BRM engines, unfortunately. I haven't done too reading on them (as I had an ALH and still have a BEW) but they seem to suffer from more issues of that kind than previous TDI engines.

I would read up on the BRM having MAF & EGR issues on TDIClub; you've got plenty of reading to do there.
_________________________
You are entitled to your own opinion but not your own facts.

06 VW Golf TDI: Schaeffer 9k 5w40, HU726/2x, EaBP90
12 Mazda 5: Amsoil SSO 0w20, FL910S

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#3130922 - 09/20/13 06:17 PM Re: p0403 egr mulfunction 2006 jetta tdi [Re: scurvy]
electronicspark Offline


Registered: 09/19/13
Posts: 3
Loc: ON, Canada
thanks smile

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#3140863 - 09/30/13 07:18 PM Re: p0403 egr mulfunction 2006 jetta tdi [Re: electronicspark]
electronicspark Offline


Registered: 09/19/13
Posts: 3
Loc: ON, Canada
Today I received my parts; MAF sensor from Fulfillment Warehouse and alternator pulley and removal tools from IDparts.
Replaced both and no more CEL and no more jumping and rattling of belt tensioner.
Yeah!

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