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Guide:- Removing Secondary Air Injection

Discussion in 'Mk3 Ibiza FAQ's (6K2) 2000-2002' started by Craig!, Feb 6, 2007.

  1. ian_cupra

    ian_cupra Guest

    still got the valve plugged in, got the resistors to get rid of it, just havent got around to it,

    cc-3 yeah, you going jbs04?
     
  2. __B3NNY__

    __B3NNY__ OEM with a 'Twist'

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    Kind of, i think im going to be the guinea pig for the CR turbos k03 hybrid unless Danny_Lad has his made up pretty sharpish.
     
  3. ian_cupra

    ian_cupra Guest

    i see, be interesting to know how it goes :D
     
  4. dave_6

    dave_6 Active Member

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    I've removed my pump but I keep getting a fault code and the engine management light on! I can clear it and it'll go away for about a month, then it comes back again and needs clearing again!

    Have people removed the pump and not had the EML come on at all?

    I haven't fitted a resistor yet so I need to buy one and sort that I guess
     
  5. cuprachrissy

    cuprachrissy Guest

    have you blanked up the hole with a plate? i know a lot of people who havent even put resistors in and never had a fault code,... including me.
     
  6. dave_6

    dave_6 Active Member

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    Not yet, only just started it really and removed the pump for now! Wasnt going to rip it all out incase I'd keep on getting a code coming up

    I'll buy a blanking plate and see how I get on, was just worried the some threads on this have people with problems and wasnt sure of how many were fine

    cheers
     
  7. dave_6

    dave_6 Active Member

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    Hi All

    Ok i've now removed the valve and the pump and have put in the forge backing plate as you can see below.

    Just got a couple of questions though, on the sensors circled below what should I do with them...... just block off the ends or do they need to run somewhere?

    At the moment i've just taped them off! The pipe from the valve obviously was going to the one I'm holding up in the picture with my hand


    Havent got vag com at the moment, will do in a weeks time. The code i was getting before was incorrect air flow at the SAI! really want the engine light to not be coming on every month or so


    anyway, pics below


    [​IMG]

    [​IMG]


    [​IMG]
     
  8. Has anyone got the answer for the above question please?
     
  9. EZ Tutty

    EZ Tutty Active Member

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    them sensors are actually the N112 & N249 valves (if you search you'll find plenty of removal guides), you can just leave them as they are, with nothing connected.

    however if you want to remove them, simply solder a 330ohm 10watt resistor in place of each of them (1 resistor per valve), you should also do this with the secondary air injection pump connection.

    the SAI Incorrect Flow fault you were getting can actually be caused by the N112 valve (as this is the valve which used to activate the combi valve for the SAI)
     
    #29 EZ Tutty, May 12, 2009
    Last edited: May 12, 2009
  10. dave_6

    dave_6 Active Member

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    Thought I'd bring this one back to the top as my resistors arrived in the post today

    I started getting the Incorrect Air Flow at SAI ages ago, think it was due to the N112 melting after it slipped down the back of the engine!


    anyway, removed the SAI and used a blanking plate where the valve was, was still getting the incorrect airflow code so I ordered the resistors


    in the meantime I disconnected the N112, now the interesting thing was that since disconnecting the plug to the N112 I now just get one code. The code is saying that its an open circuit to the N112, which there obviously is because the N112 is in my tool box and the plug isnt attached to anything

    No code at all for incorrect airflow! before I was getting the airflow code every 2 days really


    really hoping that tomorrow when I use the resistors I'll no longer get any codes or EML coming up


    now the question is, the line that did go to the N112, circled in blue below. Shall I now remove this bit of tubing for now and block the end where the join is so there is no more excess hose in place doing nothing. Obviously a yes I guess!
    The other part circled is the plug I'm about to put the resistor into

    will report back on how things go after the resistors are fitted



    [​IMG]



    [​IMG]
     
  11. dave_6

    dave_6 Active Member

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    Removed the excess bit of pipe and fitted a resistor, just 1 to where the N112 should have been for now.

    Cleared the fault code and been for a few drives today, over an hours driving and no fault codes at all!
    guess the main test will be a cold start to see what happens but so far it looks quite promising!

    left it to idle for a good few minutes at various times and no EML or errors
     
  12. J-DUB

    J-DUB Active Member

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    Can you get special resistors for this conversion or will they have to be soldered in?
     
  13. cuprabaz

    cuprabaz Racing 2020VT

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  14. Craig!

    Craig! IHI Ibiza Cupra

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    Nice to see people are still finding this useful! :)
     
  15. iceeddie

    iceeddie Guest

    can this be done with out bypassing the n245 valve, I'm getting the secondary air system error. can anyone point me to a guide just for the SAI
     
  16. karls cupra

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    i get a fault code with vag com but no eml light, and i havent used resistors yet.. on the sai or the n249
     
  17. BHP Addict

    BHP Addict Back in a SEAT!!

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    Sorry for digging up an old thread.

    To Clarify....

    Remove SAI
    Fit blanking plate
    Remove N249 and N112
    Fit 3x 330ohm 10w Resistors in the place of the 3 above valves
    Remove all the 'junk' related to all the above valves
    Re-check all remaining vacuum pipes for breaks

    (Solder +ive on 1 end of resistor and -ive onto the other (Think of extending wires and move from bulk head heat)

    If all this done, you should have 1 Fault code and NO EML?
     
  18. mozzy

    mozzy Guest

    looks complicated lol
     
    #38 mozzy, Apr 29, 2010
    Last edited by a moderator: Apr 29, 2010
  19. s1l3nc3r

    s1l3nc3r ASBO car.

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    Thought i would dig this one up rather than start a new more pointless post.

    My SAI has been getting louder recently on cold starts. and im getting the sai incorect flow code every so often so im looking at removing it all.

    Ive got the resistors and everything from where i done my n249. ive had a look and i cant for the life of me find any electrical plug for the sai system though ive got a feeling its staring me in the face and im being blind.

    Where is it.??? :confused:
     
  20. Dempsey27

    Dempsey27 Guest

    i ve got the epc light on and the code p1433 and it says its the sai

    any ideas what it could be ?
     

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