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felixthecat55

07-10-2014 11:41 AM

A4, 3.0, 2004, Catalytic converter problems

Have a problem with my catalytic converter. Any suggestions replace it or not???

A430	03-05-2015 01:13 PM

Re: A4, 3.0, 2004, Catalytic converter problems

what seems to be the problem, exactly?

T-Roy

03-06-2015 08:38 AM

Re: A4, 3.0, 2004, Catalytic converter problems

I have a 2003 A4 3.0L with Cat issues as well. Code P0421, and Po431. Both to due with: Warm-Up Catalyst Below Threshold (Bank 1 & 2). From what I've heard this job is a PITA, and so it's not cheap.... Any experiences 3.0L owners out there that took care of this? how?

felixthecat55

04-03-2015 09:38 AM

Re: A4, 3.0, 2004, Catalytic converter problems

Quote:

Originally Posted by A430 (Post 193789)

what seems to be the problem, exactly?

Hi,
An engine light (yellow) came off during the driving.
My mechanic suggested a few driving tips to try before we do change converters. So far so good.
Thanks

felixthecat55

04-03-2015 09:40 AM

Re: A4, 3.0, 2004, Catalytic converter problems

Quote:

Originally Posted by A430 (Post 193789)

what seems to be the problem, exactly?

Hi,
My mechanic suggested a few driving tips to try before we do change converters. So far so good.
Thanks

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