Question about 2000 Volkswagen Passat 4Motion

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Po411secondary air injection system , incorrect flow 2000 vw passat 1.8 t front wheel drive

Po411 secondary air injection system,incorrect flow 2000 1.8t vw passat front wheel drive

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It is more likely to be a pipe off between the airbox and pump, or that and the intake manifold. otherwise it may be the air mass meter which is giving an incorrect reading and throwing the sytem out.

Posted on Jun 21, 2008

  • 1 more comment 
  • dewan nafees ahmed Jun 21, 2008

    Volkswagen has a Technical Service
    Bulletin out for this. The vacuum lines, braided cloth covered, for the
    Secondary Air Injection System may be cracked or broken due to
    temperature variations. Here's what to look for.

    Inspect
    for damaged vacuum hoses at the Secondary air inlet valve (2) to Combi
    valve (20) and vacuum hose (20) from the secondary air inlet valve (2)
    to the brake booster vacuum check valve.


    If
    damaged, replace the vacuum hoses from Secondary air inlet valve (2) to
    Combi valve (20) and vacuum hose (20) from the secondary air inlet
    valve (2) to the brake booster vacuum check valve with the hose from
    repair kit Part No: 1JM 133001.


    It wouldn't be dangerous to drive the
    vehicle, but I would suggest you get it to a Volkswagen Dealer to have
    the repairs made as soon as you can.


  • dewan nafees ahmed Jun 21, 2008

    to get rid of this annoying error
    another thing to check is the fuse. It's a 30A flat bar fuse that sits on the front of a relay marked
    111. It's usually behind the driver's headlight or closer to the battery on
    later models. If it's bad get a new one from the dealer for a dollar, or
    temporarily jump it with a small wire if you know what you're doing with
    electrics.

  • Russ Holton
    Russ Holton Jan 10, 2014

    UPDATE! There is a new part # on this: Part Number : 06A-145-742

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Ok...would you be a bit more concise about what your issue is here?

Posted on Jun 21, 2008

  • P.Michael D'Acre
    P.Michael D'Acre Jun 21, 2008

    I've asked fixya to remove this fixya from my listing, since I only asked a question. I'm advising that sweet rascal be given this money, since his solution is superior here.

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Code po411


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I have a 2000 vw passat GLX V6 5 Speed with the error codes p1411 -p1423 how do i fix it


P1411 = Secondary air injection system, bank 2 - insufficient flow detected.
Probable cause: Intake leak, hose(s) blocked / leaking, secondary air system valve / solenoid.

P1423 = Secondary air injection system, bank 1 - insufficient flow detected.
Probable cause: Intake leak, hose(s) blocked / leaking, secondary air system valve / solenoid.


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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

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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

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Lincoln 1996 what does po411 means what the problem


Secondary AIR System Incorrect Upstream Flow Detected

Possible cause:
Electric air injection pump hoses leaking
Air pump blocked
AIR bypass solenoid leaking or blocked
AIR bypass solenoid stuck open or stuck closed

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1 Answer

Vw passat 2000 1.8t front wheel drive


please rate me solved...thanks

DTC P0411/16795: SECONDARY AIR SYSTEM - INCORRECT FLOW DETECTED
Test Requirements
Ensure all fuses are okay, battery voltage is at least 11.5 volts, all electrical accessories are off, A/C is off.
Ensure engine is mechanically sound.
Test Procedure

NOTE
Secondary air system is activated by ECM and blows air into exhaust pipe
upstream of catalytic converter for 100 seconds during a cold start, 41-91°F (5-
33°C). Engine must be cold to perform following test procedure.

1. Ensure fuse and secondary fuse (secondary fuse is 40 amp and is located in fuse holder on top of battery)
are okay. Check hoses and components of Secondary Air Injection System, for damage, loose fit and
improper installation, check vacuum hoses for Secondary Air Injection System. Repair as necessary.
Erase DTC memory. Verify repair. If DTC does not reset, test is complete. Perform ECM relearn
procedure. See TEST DRIVE RELEARN PROCEDURE .
2. Remove engine cover. Disconnect pressure hose from Secondary Air Pump Motor (V101), by pressing
buttons on hose connector. See Fig. 33 . Using scan tool, check Secondary Air Pump Motor (V101) in
scan tool Output Diagnostic Test Mode (Secondary Air Pump Relay activation mode). See OUTPUT
DIAGNOSTIC TEST MODE .
3. Secondary Air Pump Motor (V101) should run in intervals and air should exit pump at hose connection.
If Secondary Air Pump Motor (V101) is okay, go to step 7 . If motor runs and no air exits secondary air
pump motor, replace faulty Secondary Air Pump Motor (V101). Erase DTC memory. Verify repair. Test
is complete. Perform ECM relearn procedure. See TEST DRIVE RELEARN PROCEDURE . If
secondary air pump motor does not run, go to next step.
4. Disconnect Secondary Air Pump Motor (V101) harness connector, install LED test light at secondary air
pump harness connector terminals. Turn ignition on. Using scan tool, activate Secondary Air Pump Motor
(V101) in scan tool Output Diagnostic Test Mode (Secondary Air Pump Relay activation mode). See
OUTPUT DIAGNOSTIC TEST MODE . LED test light at Secondary Air Pump Motor (V101) harness
connector should flash. If LED test light at Secondary Air Pump Motor (V101) harness connector does
not flash, go to next step. If LED test light at Secondary Air Pump Motor (V101) harness connector
flashes, replace faulty Secondary Air Pump Motor (V101). Erase DTC memory. Verify repair. Test is
complete. Perform ECM relearn procedure. See TEST DRIVE RELEARN PROCEDURE .
5. Using DVOM check resistance of Secondary Air Pump Motor (V101) wiring. See appropriate WIRING
DIAGRAM under ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS. Resistance should
be a maximum of 1.5 ohms for each reading. Check wiring for short circuit to one another in Secondary
Air Pump Motor (N101) harness connector. Repair as necessary. Erase DTC memory. Verify repair. Test
is complete. Perform ECM relearn procedure.
Secondary Air Pump Motor (N101) wiring is okay, go to next step.
6. Check Secondary Air Pump Relay (J299) and Secondary Air Pump Relay (J299) wiring. See DTC
P0418/16802: SECONDARY AIR PUMP RELAY (J299), MALFUNCTION . Repair or replace as
necessary. Erase DTC memory. Verify repair. Test is complete. Perform ECM relearn procedure. See
TEST DRIVE RELEARN PROCEDURE .
7. Disconnect vacuum hose from Secondary Air Injection Valve (N112) and disconnect pressure hose from
secondary air pump motor, press buttons on pressure hose connector to disconnect pressure hose. See Fig.
34 . Blow lightly into disconnected pressure hose, Combi-Valve should be closed. Connect hand vacuum
pump to disconnected vacuum hose and apply vacuum to Combi-Valve, Combi-Valve should open. If
Combi-Valve opens when vacuum is applied, Combi-Valve is okay. Go to next step. If Combi-Valve
does not open when vacuum is applied, replace faulty Combi-Valve. Erase DTC memory. Verify repair.
Test is complete. Perform ECM relearn procedure. See TEST DRIVE RELEARN PROCEDURE .
8. Check Secondary Air Injection Valve (N112). See DTC P0412/16796: SECONDARY AIR
INJECTION VALVE (N112), ELECTRICAL CIRCUIT MALFUNCTION . Repair as necessary.
Erase DTC memory. Verify repair. Test is complete. Perform ECM relearn procedure.
NOTE: Do not use compressed air to check Combi-Valve.
2000 Volkswagen Passat GLS
2000 ENGINE PERFORMANCE Self-Diagnostics - 1.8L Turbo

Jun 21, 2008 | 2000 Volkswagen Passat 4Motion

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