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 Oct 25, 2010

Jan 21, 2023 03:40 AM
by taimok

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10

33,600

A4 (B5 Platform) Discussion

audi, cleaning, p0401, tt, video

CEL P0401 HELP!!! EGR Cleaning Process Needed

LOOB'ER'GOOD on Jun 6, 2013

Jun 7, 2013 08:25 AM
by LOOB'ER'GOOD

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3

1,638

S4 / RS4 (B5 Platform) Discussion

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

EGR cleaned, code P0401 after 100 miles?

jaydork on Mar 31, 2013

Apr 1, 2013 07:16 AM
by AudiMick

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4

3,196

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 Mar 22, 2010

Mar 22, 2010 08:13 AM
by AudiMick

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2

5,423

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 Mar 10, 2010

Mar 14, 2010 09:41 AM
by hubturn

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4

12,844

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 Mar 8, 2010

Mar 9, 2010 12:23 PM
by mighster

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10

4,783

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 Nov 23, 2009

Dec 7, 2009 08:07 AM
by audiphile1

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5

5,434

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 May 8, 2009

May 13, 2009 07:18 PM
by a6hcw

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6

2,325

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 Feb 16, 2006

Jul 23, 2008 02:55 AM
by crabriolet

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2

8,402

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 May 1, 2008

May 2, 2008 11:07 AM
by raido

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7

15,093

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 Feb 17, 2008

Feb 17, 2008 05:13 PM
by JAFO

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8

4,385

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 Feb 14, 2008

Feb 15, 2008 05:28 AM
by rmccomiskie

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4

1,437

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 Jul 11, 2007

Jul 12, 2007 05:04 AM
by AudiMick

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2

3,580

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 Mar 17, 2007

Mar 17, 2007 10:25 PM
by UrS4boy

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2

1,679

Audi 100 / A6 (C4 Platform)

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

P0116 & P0401

xtauhidx on Feb 22, 2006

Feb 22, 2006 03:06 PM
by Nate (ETKA+Scumbag)

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1

1,733

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 Feb 6, 2006

Feb 9, 2006 05:12 AM
by DaveInSaltLake

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6

1,386

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 Dec 27, 2005

Dec 30, 2005 04:04 PM
by mbando

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4

2,182

A4 (B5 Platform) Discussion

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

Cross Post: CEL Code P0401 EGR "Flow Insufficient"

Stefano Scalia on Dec 27, 2005

Dec 28, 2005 05:13 AM
by Evol

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1

589

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 Oct 27, 2003

Oct 27, 2003 03:16 PM
by Zha

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5

3,034

12v V6 Discussion

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