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Audi A6 quattro, 2002. I have CEL with the following codes p0441, p0431and p0421,i want to know what's wrong with my audi

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  • Cars & Trucks Master
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I beleive these codes are related to the cat needing replacing!

Posted on Dec 07, 2014

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Posted on Jan 02, 2017

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What I need is a free owners manual download for an Audi


blown head gasket maybe
even turbo damaged if water cooled

think this is site asks a fair price for a download pdf
$12 or $10
covers your Quattro 2.7 turbo


Audi A6 Service Repair Workshop Manual

Oct 11, 2016 | 2002 Audi A6

1 Answer

What causes01 audi allroad 2.7 liter fault code p0421


this can either be a bad cat or o2 sensor its the after cat downstream driver side you can either replace the o2 sensor or buy a spacer from 034 Motorsports to get rid of this problem or get a tune alls it does is checking if the cat is there for emissions will not effect gas mileage. Owner of Audi A6 2.7T 2001.B2 S1 is drivers side pre cat

B1 = Passenger side
B2 = Drivers side
S1 = Pre cat
S2 = Post Cat Example s1:b1

Jul 14, 2014 | 2001 Audi allroad quattro

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Window motor going out in my 1996 Audi Quattro


Remove the inner door panel to see the issue

Most likely a broken window regulator,has to be
replaced

Could be a bad switch,you have to be more discriptive

Nov 23, 2012 | 2002 Audi A6

2 Answers

Where can I find the engine size on a Audi A6 Quattro


ALL 1999 Audi A6:
A6 Quattro Sedan
A6 Quattro Wagon
A6 Sedan
have the 2.8L DOHC V6

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

Jul 01, 2010 | 1999 Audi A6

1 Answer

How can i reset the time & date on audi A6 quattro 2002


I HAD A AUDI A4 2004 AND TO SET THE CLOCK YOU PRESS THE MODE BUTTON ON THE DASH THEN PRESS + OR -- TO SET THE RIGHT TIME OR DATE.....I RECKON THEY ARE MOSTLY ALL ALIKE

Jul 27, 2009 | 2002 Audi A6

2 Answers

In my 1999 Audi A6 Quattro the BATTERY Went out


You would have to go to the dealership unfortunetly.

Jun 15, 2009 | 1999 Audi A6

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