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Old 04-19-2012, 10:43 AM   #1
dasVW.com
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Question 18711/P2279/008825 - Leak in Air Intake System

I am getting this error code, P2279 - Leak in Air Intake System.

I've checked & reassembled my air intake 4 times now and I still cannot get this error code to go away.

Any recommendations?

Here is what Ross-Tech says about it:

18711/P2279/008825 - Leak in Air Intake System

Possible Symptoms
-Malfunction Indicator Lamp (MIL) active

Possible Causes
-Vacuum Leak
-Intake Manifold Runner Position out of Specification
-Faulty Positive Crankcase Ventilation (PCV) System or Heating Element (N79)

Possible Solutions
-Check Intake System for Leaks
-Check Intake Manifold Runner
-Check (PCV) System and / or Heating Element if applicable

Special Notes
-When found in the NAR 2.0T (BPY) check RVUTB: 01-09-03 or 2018919 for updated Crankcase Breather Valve
-If the breather valve is faulty, full engine vacuum is typically found when removing the oil cap at idle.

http://wiki.ross-tech.com/wiki/index...1/P2279/008825
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Old 04-19-2012, 11:12 AM   #2
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Quote:
Originally Posted by dasVW.com View Post
I am getting this error code, P2279 - Leak in Air Intake System.

I've checked & reassembled my air intake 4 times now and I still cannot get this error code to go away.

Any recommendations?

Here is what Ross-Tech says about it:

18711/P2279/008825 - Leak in Air Intake System

Possible Symptoms
-Malfunction Indicator Lamp (MIL) active

Possible Causes
-Vacuum Leak
-Intake Manifold Runner Position out of Specification
-Faulty Positive Crankcase Ventilation (PCV) System or Heating Element (N79)

Possible Solutions
-Check Intake System for Leaks
-Check Intake Manifold Runner
-Check (PCV) System and / or Heating Element if applicable

Special Notes
-When found in the NAR 2.0T (BPY) check RVUTB: 01-09-03 or 2018919 for updated Crankcase Breather Valve
-If the breather valve is faulty, full engine vacuum is typically found when removing the oil cap at idle.

http://wiki.ross-tech.com/wiki/index...1/P2279/008825
Have you checked the PCV pipe that connects to the end of the intake by the rear of the engine?
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Old 04-19-2012, 11:16 AM   #3
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Originally Posted by steemax View Post
Have you checked the PCV pipe that connects to the end of the intake by the rear of the engine?
I have. As far as I can tell, it is on there tight.
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Old 04-19-2012, 11:32 AM   #4
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did you try to reinstall stock see if the problem still persists?
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Old 04-19-2012, 11:47 AM   #5
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why wouldnt you just go to the dealer? the car is brand new.
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Old 04-19-2012, 11:56 AM   #6
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Originally Posted by JhnR View Post
did you try to reinstall stock see if the problem still persists?
I have not. I was hoping I wouldn't have to resort to doing this.

Quote:
Originally Posted by McQueen77 View Post
why wouldnt you just go to the dealer? the car is brand new.
Quite frankly I am tired of *not* having my car. It was in the body shop for over a month. I am sick and tired of loaner cars, or finding a ride with someone, or car pooling. Hopefully I can fix it and be done with it.

If I do take it to the dealer, I'll put the stock intake back on so they won't b*tch at me for my intake.
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Old 04-19-2012, 12:19 PM   #7
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why not its a 20 min job tops..just sayin
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Old 04-19-2012, 12:20 PM   #8
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why not its a 20 min job tops..just sayin
I'll give it a go tonight. Thanks for your input.
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Old 04-19-2012, 01:46 PM   #9
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then if you have no problems after its your intake
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Old 04-26-2012, 11:09 AM   #10
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For the record, I believe it was the silicone reducer coupling. I replaced my entire setup with a new silicone piece and two new stainless steel T-bolt clamps. Now it is air tight (for atleast 48 hours).

-Vibrant Performance Silicone 4 Ply Reducer Coupling [link]
-Vibrant Performance Stainless Steel T-bolt Clamps [link]
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Old 04-26-2012, 11:28 AM   #11
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Originally Posted by dasVW.com View Post
For the record, I believe it was the silicone reducer coupling. I replaced my entire setup with a new silicone piece and two new stainless steel T-bolt clamps. Now it is air tight (for atleast 48 hours).
Most issues like this are Installer errors..
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Old 04-26-2012, 11:29 AM   #12
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Originally Posted by Modshack View Post
Most issues like this are Installer errors..
THIS x1000000000000000000000000000000000000000000000000 00000

Its too bad there arent poke yokes designed for these instances. Plus, there is a reason the service department goes through rigorous training when a new model comes in
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Old 04-26-2012, 11:57 AM   #13
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Old 04-26-2012, 12:56 PM   #14
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Quote:
Originally Posted by Modshack View Post
Most issues like this are Installer errors..
I figured as much. Hence why I tried 3 different sets of hose clamps and reinstalled it 3 times to try ditch the leak. -but- the hose clamps were shot and I had to order new hardware.


Quote:
Originally Posted by grambles423 View Post
THIS x1000000000000000000000000000000000000000000000000 00000
That's a lot of zeros...
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Old 05-13-2012, 09:40 PM   #15
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Leak in the Air Intake System came back. I also got a code for a misfire on each cylinder. I never returned the air intake back to stock since I thought I resolved the problem. I might have no choice but to put the stock air intake system back on the car and take it into the dealership.

Any thoughts or suggestions? I read on the MK5 forums about air intake + misfires could be a bad PCV... but I have no clue at this point.
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Old 01-10-2013, 03:02 PM   #16
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Im bumping this!

JUST got the same exact issue on my way home. Car started randomly idling between normal 600 rpm and 1200. Just up and down at random intervals holding and dropping and shuttering. Just scanned the code with the torque app and sure enough air intake leak... same code.

Does anyone have a better idea as to what the issue could be yet? Or what i can do to try and solve this?

Im gonna go through now and just try and tighten all the hoses. The intake has been on for 10K miles at this point and ive never had an issue before. went APR stage 2 about 2 months ago...

Any suggestion is appreciated.
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Old 01-13-2013, 08:05 PM   #17
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You must still have a leak. Check the silicone hose from your air intake on the top side of the turbo. That's my guess.
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Old 01-13-2013, 09:39 PM   #18
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Originally Posted by ClapperHighs View Post
Im bumping this!

JUST got the same exact issue on my way home. Car started randomly idling between normal 600 rpm and 1200. Just up and down at random intervals holding and dropping and shuttering. Just scanned the code with the torque app and sure enough air intake leak... same code.

Does anyone have a better idea as to what the issue could be yet? Or what i can do to try and solve this?

Im gonna go through now and just try and tighten all the hoses. The intake has been on for 10K miles at this point and ive never had an issue before. went APR stage 2 about 2 months ago...

Any suggestion is appreciated.
This happened to me once on the way home from a dealer service. Oil dipstick was not pushed in all the way.
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