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-   -   Check Engine - Three Codes Displayed (https://www.audiforums.com/forum/vag-com-94/check-engine-three-codes-displayed-206896/)

vitaminn Apr 11, 2014 05:59 PM

Check Engine - Three Codes Displayed
 
Hey all,

I have a check engine light that pops on and stays on for no obvious reason.

I ran VCDS and these codes popped up:
  • 17831 - Secondary Air Injection System; Bank 1
    P1423 - 35-00 - Insufficient Flow
  • 17819 - Secondary Air Injection System; Bank 2
    P1411 - 35-10 - Insufficient Flow - Intermittent
  • 16805 - Warm Up Catalyst; Bank 1
    P0421 - 35-10 - Efficiency Below Threshold - Intermittent

Anyone of these you would tackle first??? And any good sources on where to begin? Thanks!

vitaminn May 15, 2014 11:42 AM

If anyone stumbles on this thread looking for answers, I was given help in another thread and got the problem solved : AudiWorld Forums - View Single Post - Check Engine Light - Three Codes Displayed

CRAZYHAWK May 18, 2014 08:16 AM

Have the air lines smoked to look for leaks in the secondary air system.


Originally Posted by vitaminn (Post 1469157)
Hey all,

I have a check engine light that pops on and stays on for no obvious reason.

I ran VCDS and these codes popped up:
  • 17831 - Secondary Air Injection System; Bank 1
    P1423 - 35-00 - Insufficient Flow
  • 17819 - Secondary Air Injection System; Bank 2
    P1411 - 35-10 - Insufficient Flow - Intermittent
  • 16805 - Warm Up Catalyst; Bank 1
    P0421 - 35-10 - Efficiency Below Threshold - Intermittent

Anyone of these you would tackle first??? And any good sources on where to begin? Thanks!


vitaminn May 18, 2014 05:53 PM

Hey Crazy...thanks for the reply. I was able to get it fixed in the thread I mentioned just before your post.


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