AUDI A4 EXHAUST

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

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...

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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