Mitsubishi Forum - Mitsubishi Enthusiast Forums

New Members Area Just Joined? Be sure to pop in here and introduce yourself.

Dtc p0421

Thread Tools
 
Search this Thread
 
Old Aug 17, 2010 | 06:44 PM
Share
  #1  
bob1952's Avatar
Thread Starter
|
Junior Member
Joined: Aug 2010
Posts: 1
Default Dtc p0421
I have read the prior Forum notes on this code. And I am still confused if it is the one connected on the manifold ie: warm up cat, or the one that is downstream.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
02 Diamante DTC P0401, P0421, and P0431
BamaMech101
Mitsubishi Diamante
2
Jun 5, 2017 11:08 PM
P0421 diag. code????
HydroGuy
Mitsubishi Lancer and Lancer Sportback
11
Mar 1, 2011 04:21 PM
Check Engine-Cylinder 1 DTC, 2002 GTZ
Kiza011
Mitsubishi Galant
0
Dec 29, 2005 01:22 AM
P0421, new 2 this...help!
PoconosKel
New Members Area
0
Mar 26, 2004 09:58 PM
P0421, dont understand plz HELP!
PoconosKel
Mitsubishi Galant
0
Mar 26, 2004 09:56 PM
Tags
Back to Subforum
New Members Area
View Next Unread
couple questions for a new guy




Advanced Search

All times are GMT -5. The time now is 03:07 AM.