P0421 Audi

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P2197 Code: O2 Sensor Signal Biased/Stuck Lean (Bank 2, Sensor 1) - In

P2197 Code: O2 Sensor Signal Biased/Stuck Lean (Bank 2, Sensor 1) - In

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P0421 Code | Audi R8 Forums

P0421 code: warm up catalyst efficiency below threshold (bank 1)

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P0016 Audi A4 2.0t

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p0421 code audi a4 2002, 2.0 fsi - AudiForums.com

P2197 Code: O2 Sensor Signal Biased/Stuck Lean (Bank 2, Sensor 1) - In

P2197 Code: O2 Sensor Signal Biased/Stuck Lean (Bank 2, Sensor 1) - In

2003 Audi A4 3.0L issues. CEL. P0421 w/ engine symptoms. Time for new

2003 Audi A4 3.0L issues. CEL. P0421 w/ engine symptoms. Time for new

-mg-1391 : Abgaskontrollleuchte Sekundärluftsystem audi A6 ASN : Audi

-mg-1391 : Abgaskontrollleuchte Sekundärluftsystem audi A6 ASN : Audi

P0471 code on 1.6TDI | Audi-Sport.net

P0471 code on 1.6TDI | Audi-Sport.net

2003 Audi A4 3.0L issues. CEL. P0421 w/ engine symptoms. Time for new

2003 Audi A4 3.0L issues. CEL. P0421 w/ engine symptoms. Time for new

P0421 check engine light fix #catalyticconverter #o2sensor #p0421 - YouTube

P0421 check engine light fix #catalyticconverter #o2sensor #p0421 - YouTube

P0441 Audi: What Is P0441 Audi | Mechanic Guide

P0441 Audi: What Is P0441 Audi | Mechanic Guide