AUDI A4 EXHAUST

1999 Audi A4 Do Not Idle

My Audi Idles Unevenly And Sometimes Dies.I Had It On A Computer Test And It Shows That The Master Airflow Does Not Work And A Small...

Asked by Piet Smit ·

1 ANSWER

1999

Exhaust System Removal

Exhaust System Removal

Disassembling the exhaust is a must when replacing system components such as the catalytic converter or muffler and when repairing other parts of the car such as removing...

A4 Catalytic Convertor

There Is A Metal Clanging Noise Periodically From The Engine. I'm Being Told It Is The Casing For The Catalytic Convertor, So It Is Not A...

Asked by rogerb363 ·

4 ANSWERS

2004

Repairs

What Causes The Main Catalyst Efficiency To Be Below Thresh

Asked by Leslie Checkman ·

1 ANSWER

1998

2003 Audi A4 Think Its A Catalytic Converter Problem

Yesterday When I Started My Car After Work, A Warning Light Came On That According To The Manual Is A Malfunction Light. On The 7 Minute...

Asked by Theresa Torres ·

1 ANSWER

2003

2009 Audi A4 Cat Question

Just Had My Pistons Redone Because They Were Allowing Oil Into The Combustion Chamber. Obviously This Means My Car Was Burning A Lot Of Oil...

Asked by bleach1981 ·

1 ANSWER

2009

2002 Audi A4 Catalytic Converter

How Many Catalytic Converters Does My Car Have? What Is A Good After Market Brand To Use As A Replacement?

Asked by DoubleT54 ·

1 ANSWER

2002

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