TT (Mk1) Discussion Discussion forum for the Mk1 Audi TT Coupe & Roadster produced from 2000-2006

OBD CODE

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Old May 18, 2011 | 03:03 PM
  #1  
TT01Q's Avatar
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From: va.
Default OBD CODE

Hello All,

2001 TT Q / 50k

I have a reoccurring OBD code: P1128

Cleared, then after a few starts it comes back on again.

any thoughts ?

thanks
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Old May 18, 2011 | 06:03 PM
  #2  
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From: Redmond WA
Default

Originally Posted by TT01Q
Hello All,

2001 TT Q / 50k

I have a reoccurring OBD code: P1128

Cleared, then after a few starts it comes back on again.

any thoughts ?

thanks
Long Term Fuel Trim mult.,Bank1 System too Lean

Probably a vacuum leak.
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Old May 20, 2011 | 03:34 PM
  #3  
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From: va.
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what is bank 1 system?
a quess about the vac. leak whereabouts...
thanks again
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Old May 21, 2011 | 06:30 AM
  #4  
AudiMick's Avatar
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From: Redmond WA
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Originally Posted by TT01Q
what is bank 1 system?
a quess about the vac. leak whereabouts...
thanks again
That's a generic code, bank 1 is the block of your 4 cylinder.

For a v6 motor there are two banks 1 and 2 but you don't have to worry about it.

Any of the vacuum lines around the motor.
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