Question about 2002 Volkswagen Passat

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What are codes p0411 and p0011 on a 2002 VW Passat

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 1997 VW Passat trouble code

Hi ejj509,

Both my 97 Passat and my wife's 99 Passat were throwing the same OBD codes you listed.

Both VW's had the same problem. There is no "quick" solution for the problem. I can tell you what I found, what I had to do and how I repaired both vehicles so they no longer throw this OBD error code.

I removed the black plastivc AIR pump and found that three of the six aluminum rivets which hold the AIR pump impeller housing together had rotted off so the case was leaking air. I went to a hardware store with one of the aluminum rivets I had removed from the AIR pump and bought six brass machine screws and brass nuts. I gouged the aluminum rivets out and replaced them with the brass machine screws.

After I had replaced the AIR pump in the VW, I cleared the codes and ran the diagnostics again.
It still threw the same codes!!!

Next, I removed the plastic top engine cover from the VW engine (VR6) and located the many air solenoids hidden under the cover. I went to a local NAPA shop and purchased an eight foot length of their smallest gauge neoprene gas line (1/8 inch ID).

I carefully removed each piece of rotted VW vacuum line from the air solenoids and replaced each rotted section with lengths of the new neoprene gas line. I had to follow out each of the old vacuum lines and replace them because they were badly deteriorated. This took about five hours to accomplish.

I replaced the plastic engine cover and connected up my cable from my laptop to the VW's computer port, cleared all of the codes and ran a new scan. This time the scan was clear! Woo Hoo! Apparently, the problem was both the leaking AIR pump and faulty, deteriorated (cheap) Volkswagen vacuum lines.

It was well worth the effort. My driveway has now become a bonafied VW repair shoppe.



Posted on May 16, 2009

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bschilz
  • 2049 Answers

SOURCE: 1998 vw beetle codes p0411 and p1128

P0411 Secondary Air Injection System Incorrect Flow Detected
The 4mm inside diameter vaccuum hose gets pinched between the lower intake manifold and the secondary air pump housing, flattening it over time.
Here's a link to the steps to fix yourself if you are mechanically inclined...
http://forums.vwvortex.com/zerothread?id=1995162

P1128 Long Term Fuel Trim Is Too Lean
It is very likely this code is coming up because of the vacuum hose as well.

Posted on Oct 20, 2009

  • 1374 Answers

SOURCE: P0411 code 99 Passat

The secondary Air Injection system, this is basically an inspect and replace broken hose detail. Leave the inlet hose disconnected and start the engine. Listen and feel for exhaust hissing at the check valves.The check valve(s) will make like a gurgling sound as air is drawn in However , if exhaust is felt or heard replace the valve. Hope this works out for ya.

Posted on Mar 18, 2010

Mackmech11
  • 122 Answers

SOURCE: 2002 VW Passat GLS 1.8T throwing two codes: P0171

System Too Lean (Bank 1)

Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1.
Note: This DTC is very similar to P0174, and in fact your vehicle may show both codes at the same time.

P0411 Secondary Air Injection System Incorrect Flow Detected, check the...Combination valve
...Secondary Air Injection pump motor
...Secondary Air Injection solenoid valve
I would take it to a mechanic

Posted on Apr 16, 2010

  • 4848 Answers

SOURCE: need radio codes for VW PASSAT 1999 gamma

Sorry...this code is only available from a VW Dealer or a Radio Decoding Service

Will not be available for free from anywhere on the Internet

Posted on May 29, 2010

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1 Answer

P0411 code fault


P0411 Secondary Air Injection System Incorrect Flow Detected

www.obd-codes.com/p0411
Detailed information on troubleshooting and repairing a P0411 DTC code which has to do with the secondary air ... OBD-II Trouble Code Technical Description.

VW Emissions Code P0411. How to fix it, Quick and Easy ...

? 2:42
https://www.youtube.com/watch?v=x2ul9mbEFZM
Oct 1, 2012 - Uploaded by Keelan Hawkins
VW Emissions Code P0411. .... VW 1.8T Secondary Air Injection Pump Replacement for Fault Code P0411 - Duration: 8:48. by Deutsche Auto ...

Nov 13, 2015 | Cars & Trucks

1 Answer

2004 vw beetle 2.0 turbo engine code P0411 any ideas


P0411 Secondary Air Injection System Incorrect Flow Detected

Read more at: http://www.obd-codes.com/p0411

Nov 27, 2014 | Cars & Trucks

1 Answer

I have a 2001 VW Jetta 1.8T. The check engine light came up and the codes that came up were P0171 (System too lean, meaning there is too much oxygen in the exhaust). And P0411 (Secondary air injection...


problem is bad AIR FLOW sensor! I am replaced in my 1.8T PASSAT with tuning chip 6.pcs air flow sensors over 3 years !!!!! All VW cars have a air flow problem!!!!! And not only this!!

Nov 15, 2010 | 2002 Volkswagen Passat

2 Answers

99 vw cabrio check engine code po411


P0411 means problem into Secondary Air injection system.Check Air pump,Air valve or Air hoses.Start from the last one.

Jun 20, 2010 | 1999 Volkswagen Cabrio

1 Answer

I am getting 2 fault codes on my 2002 Passat they are P1296-manufacturer control fuel air metering and P0411-secondary air injection system incorrect flow. What would be the symptoms and fix for these...


I have a 2000 Passat (1.8T), and I recently had this code (P0411). First thing I did was to clean the mass airflow sensor (MAF) and reset the code by disconnecting the battery. Unfortunately, the code came back. It also came back with P1426. It ended up being the purge valve ($60 at ECSTuning, $140 at the dealer...I went with ECSTuning). Before you drop money on the part, inspect all of the hoses to ensure they are not cracked or torn.

May 06, 2010 | 2002 Volkswagen Passat

1 Answer

2002 VW Passat GLS 1.8T throwing two codes: P0171 and P0411. No noticeable loss in performance. Can I fix this myself?


System Too Lean (Bank 1)

Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1.
Note: This DTC is very similar to P0174, and in fact your vehicle may show both codes at the same time.

P0411 Secondary Air Injection System Incorrect Flow Detected, check the...Combination valve
...Secondary Air Injection pump motor
...Secondary Air Injection solenoid valve
I would take it to a mechanic

Apr 16, 2010 | 2002 Volkswagen Passat

2 Answers

Engine warning light came on. Diagnostic


P0411-Secondary Air Injection Incorrect Upstream Flow Detected. Could be the vacuum hose, combi-valve, and/or the pump http://www.passatworld.com/forums/showthread.php?t=170246. Read that thread and see if you think you or maybe somebody you know can tackle the problem.

Feb 09, 2010 | 2004 Volkswagen Passat

1 Answer

P0411 code 99 Passat


The secondary Air Injection system, this is basically an inspect and replace broken hose detail. Leave the inlet hose disconnected and start the engine. Listen and feel for exhaust hissing at the check valves.The check valve(s) will make like a gurgling sound as air is drawn in However , if exhaust is felt or heard replace the valve. Hope this works out for ya.

Jun 10, 2009 | 1999 Volkswagen Passat

1 Answer

2000 Passat DTC P0411


I have a 2000 Passat (1.8T), and I recently had this code (P0411). First thing I did was to clean the mass airflow sensor (MAF) and reset the code by disconnecting the battery. Unfortunately, the code came back. It also came back with P1426. It ended up being the purge valve ($60 at ECSTuning, $140 at the dealer...I went with ECSTuning). Before you drop money on the part, inspect all of the hoses to ensure they are not cracked or torn.

Apr 06, 2009 | 2000 Volkswagen Passat 4Motion

2 Answers

1997 VW Passat trouble code


Hi ejj509,

Both my 97 Passat and my wife's 99 Passat were throwing the same OBD codes you listed.

Both VW's had the same problem. There is no "quick" solution for the problem. I can tell you what I found, what I had to do and how I repaired both vehicles so they no longer throw this OBD error code.

I removed the black plastivc AIR pump and found that three of the six aluminum rivets which hold the AIR pump impeller housing together had rotted off so the case was leaking air. I went to a hardware store with one of the aluminum rivets I had removed from the AIR pump and bought six brass machine screws and brass nuts. I gouged the aluminum rivets out and replaced them with the brass machine screws.

After I had replaced the AIR pump in the VW, I cleared the codes and ran the diagnostics again.
It still threw the same codes!!!

Next, I removed the plastic top engine cover from the VW engine (VR6) and located the many air solenoids hidden under the cover. I went to a local NAPA shop and purchased an eight foot length of their smallest gauge neoprene gas line (1/8 inch ID).

I carefully removed each piece of rotted VW vacuum line from the air solenoids and replaced each rotted section with lengths of the new neoprene gas line. I had to follow out each of the old vacuum lines and replace them because they were badly deteriorated. This took about five hours to accomplish.

I replaced the plastic engine cover and connected up my cable from my laptop to the VW's computer port, cleared all of the codes and ran a new scan. This time the scan was clear! Woo Hoo! Apparently, the problem was both the leaking AIR pump and faulty, deteriorated (cheap) Volkswagen vacuum lines.

It was well worth the effort. My driveway has now become a bonafied VW repair shoppe.



Nov 07, 2008 | 1997 Volkswagen Passat

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