The car loses exceliration alo it as a rattling.

Tiny
ANONYMOUS
  • MEMBER
  • 2001 AUDI A3
  • 11,200 MILES
The car loses exceliration alo it as a rattling noise underneath
Sunday, February 24th, 2013 AT 5:38 PM

1 Reply

Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
I would suspect that you have a broken and or restricted catalytic converter. That is where I would start. Can you remove an 02 sensor before the cat and drive it to see if it's better?
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Sunday, February 24th, 2013 AT 10:23 PM

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