P0420 VAG Error after Milltek CAT and Exhaust System Install
Thread Starter
Audi Forum - Posts like an A1
Joined: Jul 2014
Posts: 4
From: toronto
P0420 VAG Error after Milltek CAT and Exhaust System Install
Hi Guys,
Have you come across this error?
001056 - Catalyst System; Bank 1
P0420 - 002 - Efficiency Below Threshold - Intermittent - MIL ON
Any suggestions on possible fix?
Thanks
Have you come across this error?
001056 - Catalyst System; Bank 1
P0420 - 002 - Efficiency Below Threshold - Intermittent - MIL ON
Any suggestions on possible fix?
Thanks
Thread
Thread Starter
Forum
Replies
Last Post
nickjays
A4-B5 - (Typ 8D, 1994–2001)
3
May 3, 2013 02:21 AM
6cylindakilla
Audi parts for sale & wanted.
0
Feb 29, 2012 09:10 PM
tilhasbb
A4-B8 - (Typ 8K, 2008–present)
0
Nov 23, 2011 12:47 PM
Spider
Audi Mailing List
10
Oct 8, 2003 11:21 AM
Ash Mann
Audi Mailing List
8
Oct 1, 2003 09:48 PM
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
