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Audi a6 quattro c5 4.2

Old 04-01-2014, 02:02 PM
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Default Audi a6 quattro c5 4.2

I bought this car about a month ago, and yesterday my CEL came on, so I checked the code and it had two codes.

Fuel Trim Add.Fuel,Bank1 System too Lean
Fuel Trim Add.Fue2,Bank1 System too Lean

Does anyone have any experience with this problem? any help would be very helpful.


~~~~~~~~~~~~~~~~~~~~~~~~~vehicle info~~~~~~~~~~~~~~~~~~~~~~~~~
2000 Audi A6 Quattro 4.2

Milage: 96,580

Milage with CEL on: 65 miles
Old 04-01-2014, 03:04 PM
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Those. Are. Not. Codes. Those are code interpretations.
Old 04-01-2014, 03:16 PM
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Originally Posted by SloopJohnB@mac.com
Those. Are. Not. Codes. Those are code interpretations.
sorry, i will get the codes checked again tomorrow and write down the ACTUAL code
Old 04-01-2014, 05:21 PM
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I would guess you probably have a bad vacuum line.
Old 04-04-2014, 07:12 PM
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Maf maybe?
Old 04-28-2014, 05:49 AM
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Originally Posted by 96_BlkQuattro
Maf maybe?
I kind of forgot about this post, I replaced the vacuum lines on top of he engine and the crankcase vent valve. All is well
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