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2009 Audi A4 cat question

Tiny
BLEACH1981
  • MEMBER
  • 2009 AUDI A4
  • 2.0L
  • 4 CYL
  • TURBO
  • AWD
  • AUTOMATIC
  • 72,000 MILES
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 which was going through the cat. Should I look into replacing the cat since its probably oil covered? Would that decrease performance?
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Friday, August 28th, 2015 AT 11:36 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
No not at this stage, if you have no cat codes set don't worry, if you get a code for cat low efficiency you may need to do it then.
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Friday, August 28th, 2015 AT 6:00 PM

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