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    Thread: DIY: Cleaning up Engine bay...Removing SAI, N249, PCV, EVAP

    1. 04-21-2012 02:48 PM #1506
      where are the pics of what you do with the n75 and dv?

    2. Member Slimjimmn's Avatar
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      04-21-2012 03:31 PM #1507

      and
      the car is on an inclined driveway and up on jack stands in the front only
      02 GTI 1.8t:> 42DD 3" turboback, BFI full stg1 mount kit, Evoms CAI, Forge boost hoses, Tacotaco sidemount, Ebay TIP, IE 2.0 coil conversion, IE manual tensioner, 20th front brake conversion, IE emissions delete, 42dd catch can, Koni STR.t & WRD sport springs, Samco Coolant hoses, SMF vr6 clutch kit.

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      04-22-2012 01:22 PM #1508
      so i did this delete and got the plug and play resistors from postreleased, i got them on the n249 and n112 connectors but the connector for the sai pump is way bigger, do they have a premade plug and play resistor for this one or doesn anyone know who does have one or do you just have to simply solder in a resistor?
      also is this the connector that causes the improper airflow cel?

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      04-23-2012 10:41 AM #1509
      So, I started to get rid of some of the PVC lines and the 90* elbow that connects to the oil filter housing was busted and I'm not sure if some of it actually went into the oil filter housing or not. Should I drain the oil?? I need to do an oil change anyway. Just worried about any debris from that elbow being in the engine.
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    5. Member Slimjimmn's Avatar
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      04-23-2012 09:11 PM #1510
      http://www.intengineering.com/1-8t-s...-resistor.html
      use this for the SAI pump.
      If you delete any of the secondary air components it will set the incorrect flow code.
      the car is on an inclined driveway and up on jack stands in the front only
      02 GTI 1.8t:> 42DD 3" turboback, BFI full stg1 mount kit, Evoms CAI, Forge boost hoses, Tacotaco sidemount, Ebay TIP, IE 2.0 coil conversion, IE manual tensioner, 20th front brake conversion, IE emissions delete, 42dd catch can, Koni STR.t & WRD sport springs, Samco Coolant hoses, SMF vr6 clutch kit.

    6. 04-23-2012 09:37 PM #1511
      does it have to be a 330ohm 10watt? radio shack only had 100w 10ohm will that work?

    7. Member speed51133!'s Avatar
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      04-23-2012 11:34 PM #1512
      BTw. You can string resistors end to end and add up the resistance. So for 330 do 3 100 resistors and 3 10s or any iteration.

      Btw again you don't really need to resistor the pump.

    8. 04-24-2012 05:03 PM #1513
      does it matter the watt?

    9. Member toby lawrence's Avatar
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      04-24-2012 05:20 PM #1514
      Quote Originally Posted by a7x411 View Post
      so i did this delete and got the plug and play resistors from postreleased, i got them on the n249 and n112 connectors but the connector for the sai pump is way bigger, do they have a premade plug and play resistor for this one or doesn anyone know who does have one or do you just have to simply solder in a resistor?
      also is this the connector that causes the improper airflow cel?
      There is no premade connector for this. You also don't need a resistor... the improper flow code is going to be there until you get it coded out by a tuner.

      Quote Originally Posted by mhcooper84 View Post
      does it have to be a 330ohm 10watt? radio shack only had 100w 10ohm will that work?
      Don't even bother with a resistor. Just tape up the connector to keep it sealed. Honestly - there is no functional need for a resistor on the SAI pump connector and you're just wasting money if you buy one.
      science: it's for real.

    10. 04-24-2012 05:25 PM #1515
      Im talking about for the n249

    11. Moderator groggory's Avatar
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      04-24-2012 05:40 PM #1516
      Quote Originally Posted by mhcooper84 View Post
      Im talking about for the n249
      330 ohm, 1 watt

      p = v^2/r = 14.4^2/330 = 628 mW

      But honestly, go buy the pre-made resistor connectors. They are very nice and seal things up beautifully. Keep corrosion out of your electrical connectors.
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    12. Member 04_BMP_GLI's Avatar
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      04-26-2012 04:28 PM #1517
      I have an AWP engine.

      Can I remove the hardlines form the combi valve and leave the valve on the block? I'm not going to delete the SAI. I already have the N249 and PCV **** ripped out.
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    13. Moderator groggory's Avatar
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      04-26-2012 04:32 PM #1518
      Quote Originally Posted by 04_BMP_GLI View Post
      I have an AWP engine.

      Can I remove the hardlines form the combi valve and leave the valve on the block? I'm not going to delete the SAI. I already have the N249 and PCV **** ripped out.
      I don't understand your question...

      With your deletes, the hardlines run lines for the EVAP and SAI. If you delete the hard lines you'll have to replace them with new vac lines for those two systems.

      With that said, yes you can remove the hard lines if you replace them with new vac lines.
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    14. Member 04_BMP_GLI's Avatar
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      04-26-2012 09:29 PM #1519
      The hardlines that I guess are bolted to combi valve, I can wiggle them like they're just sitting behind the combi valve and not welded to it. Can I remove the combi valve, remove those hardlines then put the combi valve back on the block? Wasn't planning on removing the sai or evap, just the PCV and N249 stuff.


      edit:
      Also, if I leave the combi valve on, what do I do to this hose that's on it that connects to one of the hardlines? Just cap it I assume?

      Last edited by 04_BMP_GLI; 04-26-2012 at 09:38 PM.
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    15. Junior Member ziggieboi's Avatar
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      05-07-2012 10:25 PM #1520
      Quote Originally Posted by 04_BMP_GLI View Post
      The hardlines that I guess are bolted to combi valve, I can wiggle them like they're just sitting behind the combi valve and not welded to it. Can I remove the combi valve, remove those hardlines then put the combi valve back on the block? Wasn't planning on removing the sai or evap, just the PCV and N249 stuff.


      edit:
      Also, if I leave the combi valve on, what do I do to this hose that's on it that connects to one of the hardlines? Just cap it I assume?

      Yes, the valve is attached by the two bottom bolts, not welded. I don't remember the hard lines even being tied into the valve. I think they are just mounted on the coolant flange and are so close that it may be wiggling the valve. Remove the lower screw on the coolant flange and the hard lines should come loose. I think if you look back there the hard lines may be bolted down to the bracket attached to the valve, the bolt is behind the wires coming off the spark plugs. You have to disconnect the two clips and push back the wires to access the bolt.
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      05-09-2012 12:35 AM #1521
      So basically what I'm getting from all this is if you remove your SAI, there's really no way to pass emissions?

    17. 05-09-2012 12:43 AM #1522
      unless you get unitronic,gonzo or eurodyne I believe. If im wrong im sure others will chime in.

    18. Member 04_BMP_GLI's Avatar
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      05-09-2012 11:09 AM #1523
      Quote Originally Posted by ziggieboi View Post
      Yes, the valve is attached by the two bottom bolts, not welded. I don't remember the hard lines even being tied into the valve. I think they are just mounted on the coolant flange and are so close that it may be wiggling the valve. Remove the lower screw on the coolant flange and the hard lines should come loose. I think if you look back there the hard lines may be bolted down to the bracket attached to the valve, the bolt is behind the wires coming off the spark plugs. You have to disconnect the two clips and push back the wires to access the bolt.


      Yup, figured it out, forgot to update my post. The hard lines were bolted to the Combi valve. Unbolted them, removed them and put the Combi valve back on the engine. Capped off the line that was running to the hard line.

      Deleted the PCV, EVAP and N249. A few of lines for the PCV system were broken. Car runs much smoother now.
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    19. Member travis_gli's Avatar
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      05-09-2012 11:40 AM #1524
      Quote Originally Posted by a7x411 View Post
      So basically what I'm getting from all this is if you remove your SAI, there's really no way to pass emissions?
      Quote Originally Posted by EaTn RiCe View Post
      unless you get unitronic,gonzo or eurodyne I believe. If im wrong im sure others will chime in.
      It's such a grey area since almost every county in every state has a different way of testing emissions. In all honesty its a complete sh!tshow. Probably the easiest way to test is to run an emissions delete file and take your car to get inspected without removing all of the components. This way you will just have to reflash if you fail.

      Maestro is another I believe that allows for emissions deletes.

    20. Junior Member ziggieboi's Avatar
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      05-09-2012 06:44 PM #1525
      Quote Originally Posted by 04_BMP_GLI View Post
      Yup, figured it out, forgot to update my post. The hard lines were bolted to the Combi valve. Unbolted them, removed them and put the Combi valve back on the engine. Capped off the line that was running to the hard line.

      Deleted the PCV, EVAP and N249. A few of lines for the PCV system were broken. Car runs much smoother now.
      I did a head rebuild and started putting all the damn hoses on when one was completely busted, after going to napa to unearth their cost for a new hose ($130.00), I decided to come in here and see what i could find. After reading up on a few posts I realized how much time I wasted and said phuck it, and pulled out all the BS. Saved me time and $$$$. Fun stuff!
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      05-10-2012 06:53 AM #1526
      i guess its time to put the sai system back on, time for inspection =(

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      05-17-2012 09:12 PM #1527
      Hey my car is doing this weird thing now after doing the complete delete. It feels like the gas is cutting out. If I leave my foot on the gas to speed up, or even just going a consistent speed, the car will lose all power, almost like I took it out of gear, and then the power will jerk back in. The power goes away for just about a second or two and then returns but it keeps doing this. It's like the engine is kind of sputtering. Sometimes it cuts out all the way and the car dies. Does anybody have any idea what could be going on?

    23. Member Richardsa4's Avatar
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      05-18-2012 04:45 AM #1528
      I have a Unitronic BT 630cc file running my car right now with the only delete being the cat. I'd love to clear up the clutter and removed the rest of these emissions. Will I need to send the ecu in to have it modified for the remaining emission deletes or could I just follow this process and be in good shape ?
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    24. Member speed51133!'s Avatar
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      05-18-2012 09:50 AM #1529
      if you bought the uni tune new from an authorized dealer and it is within the first year of purchase, i am pretty sure it is 50$ to send it in and have this done.

      if after 1 year, it is 100$.

      if you are NOT the original buyer, you will need the original buyer's name and contact uni and have the license transfered for 150$, then you may request a change.

      if you dont have the oridinal buyer's name, you can get luckey with the vin of the chassis, if the tuner recorded it in the sale. you should be bale to get the vin off a vag com scan of the ecu.

    25. Member Richardsa4's Avatar
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      05-18-2012 11:17 AM #1530
      I bought the car from a good friend of mine, so I am not the original owner. Unitronic had informed me of the $150 fee when I called about a separate question. I was just curious if I could use the current file with properly deleted emissions or if I should just pay all their fees and get the file changed accordingly before deleting anything.
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    26. Member Slimjimmn's Avatar
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      07-01-2012 12:20 AM #1531
      bump for finally removing my secondary air pump and that long ass hose. Wow so much room now without secondary air and n249!

      kept evap though.
      the car is on an inclined driveway and up on jack stands in the front only
      02 GTI 1.8t:> 42DD 3" turboback, BFI full stg1 mount kit, Evoms CAI, Forge boost hoses, Tacotaco sidemount, Ebay TIP, IE 2.0 coil conversion, IE manual tensioner, 20th front brake conversion, IE emissions delete, 42dd catch can, Koni STR.t & WRD sport springs, Samco Coolant hoses, SMF vr6 clutch kit.

    27. Member speed51133!'s Avatar
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      07-02-2012 10:58 AM #1532
      ok so im not gonna read all 1000000 pages. ive read the first post and first few pages, and the last few pages....

      i just got around to finally removing all the evap crap. i also removed the evap pump in the passanger fender wheel well.....

      did you all leave it plugged in? i just got a CEL, will scan it tonight...i was going to resistor it but it is not a 2 wire plug, almost positive it was three.....and did not want to guess....

    28. Member 18T_BT's Avatar
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      07-02-2012 11:56 AM #1533
      Quote Originally Posted by speed51133! View Post
      ok so im not gonna read all 1000000 pages. ive read the first post and first few pages, and the last few pages....

      i just got around to finally removing all the evap crap. i also removed the evap pump in the passanger fender wheel well.....

      did you all leave it plugged in? i just got a CEL, will scan it tonight...i was going to resistor it but it is not a 2 wire plug, almost positive it was three.....and did not want to guess....
      ugh, unless your 1.8T is different than every other N80 plug: http://www.intengineering.com/postre...ngle-plug.html

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      07-09-2012 03:23 PM #1534
      I had not seen that plug before. What a clever idea!

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      07-10-2012 01:58 AM #1535
      done the diy now dv makes whip like noise when letting off of heavy boost. but not at 5 lbs. cant find any vacuum leaks either. i have not done any resistors yet. could that throw it off?
      Last edited by vr6_nocorrectway; 07-11-2012 at 04:35 AM.
      Donkey

    31. Member speed51133!'s Avatar
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      07-10-2012 12:17 PM #1536
      Quote Originally Posted by 18T_BT View Post
      ugh, unless your 1.8T is different than every other N80 plug: http://www.intengineering.com/postre...ngle-plug.html
      sorry..that is 2 prong ,and who said anythign about N80?!

      I am talking about the evap pump that is behind the wheel liner. You have to jack the car up, remove the wheel well liner, and it is behind the liner. It is the pump for testing the system, and the pump is THREE pronged, NOT TWO......sorry to be annoyed, but you are annoyed at me for assuming something incorrect.

      http://www.jimellisaudiparts.com/sho...ssembly=754162

      it is item 1 in the above link, and all the garbage that goes with it

      http://www.ebay.com/itm/99-06-VW-Gol...-/290639604503

      the above link has one for sale on ebay, and you can CLEARLY see the three prongged plug
      Last edited by speed51133!; 07-10-2012 at 12:22 PM.

    32. Member Slimjimmn's Avatar
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      07-10-2012 08:26 PM #1537
      you will have evap codes unless the evap is deleted from the ecm programming. same as secondary air. pcv and n249 is ok as long as resistored.
      the car is on an inclined driveway and up on jack stands in the front only
      02 GTI 1.8t:> 42DD 3" turboback, BFI full stg1 mount kit, Evoms CAI, Forge boost hoses, Tacotaco sidemount, Ebay TIP, IE 2.0 coil conversion, IE manual tensioner, 20th front brake conversion, IE emissions delete, 42dd catch can, Koni STR.t & WRD sport springs, Samco Coolant hoses, SMF vr6 clutch kit.

    33. Member speed51133!'s Avatar
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      07-10-2012 09:46 PM #1538
      I have all emissions deletes...

    34. Member Slimjimmn's Avatar
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      07-10-2012 11:10 PM #1539
      is the computer flashed for emissions delete?
      Doesnt matter if you have resistors in the solenoid plugs or not, The programming still sees that there is incorrect secondary and evap flow.
      the car is on an inclined driveway and up on jack stands in the front only
      02 GTI 1.8t:> 42DD 3" turboback, BFI full stg1 mount kit, Evoms CAI, Forge boost hoses, Tacotaco sidemount, Ebay TIP, IE 2.0 coil conversion, IE manual tensioner, 20th front brake conversion, IE emissions delete, 42dd catch can, Koni STR.t & WRD sport springs, Samco Coolant hoses, SMF vr6 clutch kit.

    35. Member speed51133!'s Avatar
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      07-10-2012 11:59 PM #1540
      Yes the magical Ecu box was sent out to santa's workshop for emissions deletes.
      Like I just said. I have emissions deletes.

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