2001 Audi A3 Car Loses Exceliration Alo Rattling Noise Underneath

2001 AUDI A3
11,200 MILES
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ANONYMOUS
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  • 1 POST
The car loses exceliration alo it as a rattling noise underneath
Feb 24, 2013 at 9:38 AM
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HOMER1967
  • ✓Experienced 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?
Feb 24, 2013 at 2:23 PM
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