p0401 - AudiWorld Forums - Threads Tagged with p0401

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18t, 2007, 20t, 96, a4, a6, audi, diagram, diy, egr, engine, fix, locating, p0401, picture, tiguan, valve, vw

4 Attachment(s)

Trouble finding the EGR valve... Pictures or diagram?

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Multi-page thread

1 2)

backtosand on 10-25-2010

01-21-2023 03:40 AM
by taimok

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10

26,728

A4 (B5 Platform) Discussion

audi, cleaning, p0401, tt, video

CEL P0401 HELP!!! EGR Cleaning Process Needed

LOOB'ER'GOOD on 06-06-2013

06-07-2013 08:25 AM
by LOOB'ER'GOOD

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3

1,458

S4 / RS4 (B5 Platform) Discussion

a4, audi, b5, body, cleaned, code, p0401, throttle, tt

EGR cleaned, code P0401 after 100 miles?

jaydork on 03-31-2013

04-01-2013 07:16 AM
by AudiMick

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4

2,647

A4 (B5 Platform) Discussion

1996, 1997, 28, a4, a6, audi, code, miata, obd, p0134, p0401, p1408, p1504, po134, po401, quattro

Failed Inspection P0134 P1408 P1504 P0401

flp on 03-22-2010

03-22-2010 08:13 AM
by AudiMick

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2

5,198

A4 (B5 Platform) Discussion

1997, a6, audi, car, code, diagrams, error, obd, p0401, p401, powered, quattro, radio, vbulletin, wiring

Error code P0401 EGR flow insuf

bronsin on 03-10-2010

03-14-2010 09:41 AM
by hubturn

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4

12,187

Audi 90 / 80 / Coupe quattro / Cabriolet

0265109024, 9300, 96, egrg98, elaboration, error, fuel, high, level, located, low, p0401, p1250, passat, signal, unknown, vw

2 Attachment(s)

96 A4 with lotsa problems - keep or chuck it?

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Multi-page thread

1 2)

mighster on 03-08-2010

03-09-2010 12:23 PM
by mighster

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10

4,306

A4 (B5 Platform) Discussion

28, 96, 97, a4, audi, audiworld, body, cleaning, egr, location, p0401, replacement, throttle, time, world

'97 A4 2.8Q, EGR location

audiphile1 on 11-23-2009

12-07-2009 08:07 AM
by audiphile1

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5

4,848

A4 (B5 Platform) Discussion

1996, 2005, a6, a8l, audi, bank, check, egr, engine, flow, insufficient, lean, p0401, po174, problem, suspension, system

Suspension problems with 1996 A6 quattro

csedu on 05-08-2009

05-13-2009 07:18 PM
by a6hcw

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6

2,205

Audi 100 / A6 (C4 Platform)

1998, 1999, 2006, 20t, a4, audi, diagram, egr, engine, p0401, po401, s4, system, tdi, v70

UPDATE ON EVERYTHING!

Djole on 02-16-2006

07-23-2008 02:55 AM
by crabriolet

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2

6,229

Audi 100 / A6 (C4 Platform)

01, 401, 96, a6, altima, audi, detected, exhaust, gas, insufficient, miata, p0401, po, po401, recircflow

P0401....Exhaust Gas Recirculation Flow Insufficient Detected

tabwb on 05-01-2008

05-02-2008 11:07 AM
by raido

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7

10,018

Audi 100 / A6 (C4 Platform)

1996, 28, 97, a4, a6, audi, code, fail, failed, fix, inspection, p0130, p0133, p0401, p1408

Failed Inspection For P0116, P1408, P0130, P0401, P0133

flp on 02-17-2008

02-17-2008 05:13 PM
by JAFO

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8

4,095

A4 (B5 Platform) Discussion

01242, 01810, 9300, code, decode, dtcs, elaboration, error, p0401, shareware, unknown, vag, vagcom, version

Help with some Code reading from VAG pull last night

CvTech on 02-14-2008

02-15-2008 05:28 AM
by rmccomiskie

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4

1,225

Audi 100 / A6 (C4 Platform)

2001, 27t, 42, 96, a4, a6, audi, erg, fix, fuel, malfunction, p0170, p0173, p0401, trim

Need help..engine codes P0401, P0170, P0173 keep coming up....

Nova Scotia A4 on 07-11-2007

07-12-2007 05:04 AM
by AudiMick

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2

3,399

12v V6 Discussion

2001, air, audi, code, codes, conversion, injection, obd, p0401, p1411, po401, pump, s4, secondary, system, wheel

OBD II Code P1411 (Secondary Air Flow ...?). Is this similar to P0401?I 've searched the FAQ and...

UrS4boy on 03-17-2007

03-17-2007 10:25 PM
by UrS4boy

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2

1,561

Audi 100 / A6 (C4 Platform)

0116, 0401, 28, 97, a4, audi, code, codes, ect, error, fix, p0116, p0401, quattro, sensor

P0116 & P0401

xtauhidx on 02-22-2006

02-22-2006 03:06 PM
by Nate (ETKA+Scumbag)

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1

1,644

A4 (B5 Platform) Discussion

156, 1994, 1996, 4a0, 927, 9300, a6, ac, audi, autohausaz, elaboration, error, g62, p0116, p0401, unknown

well i've cut everything down to 3 problems

Djole on 02-06-2006

02-09-2006 05:12 AM
by DaveInSaltLake

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6

1,237

Audi 100 / A6 (C4 Platform)

1997, 97, a4, a6, audi, code, codes, egr, flow, insufficent, insufficient, obdll, p0401, po401, quattro

CEL Code: P0401 EGR "Flow Insufficient"

Stefano Scalia on 12-27-2005

12-30-2005 04:04 PM
by mbando

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4

2,024

A4 (B5 Platform) Discussion

audi, audiworld, code, egr, flow, forum, insufficient, p0401

Cross Post: CEL Code P0401 EGR "Flow Insufficient"

Stefano Scalia on 12-27-2005

12-28-2005 05:13 AM
by Evol

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1

501

12v V6 Discussion

16785, 18, a4, audi, code, defaut, detected, egr, exhaust, flow, found, gas, insufficient, p0401, po401, recirculation, systerm

What does this code mean? 16785 (P0401) Exhaust Gas Recirculation Flow Insufficient Detected

Zha on 10-27-2003

10-27-2003 03:16 PM
by Zha

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5

2,504

12v V6 Discussion

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