Mitsubishi Lancer and Lancer Sportback Newer to the United States, the Lancer line offers a sporty compact sedan, with all of the fine styling of the performance minded Evolution.

03 Lancer OZ rally,Code P0421?

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Old Jun 26, 2007 | 08:45 PM
  #11  
I Drive Naked's Avatar
Joined: Jan 2007
Posts: 1,757
From: The south
Default RE: 03 Lancer OZ rally,Code P0421?

ORIGINAL: Manybrews

ORIGINAL: kevin10

So,i shouldnt take it to dealer right? just to charge me $100 for what i know it is..
once again, do a search.
if you have an open recall on your car, the reprogramming is free. Cat. converter replacement is free up to 100k miles.
He has 102k.
lol
 
Old Jun 27, 2007 | 11:40 PM
  #12  
kevin10's Avatar
Thread Starter
Joined: Jun 2007
Posts: 7
Default RE: 03 Lancer OZ rally,Code P0421?

reprogramming for what? Well,not sure about replacing cat converter,gonna set up a time to take it to local mechanic,with the info i have and code. My friend looked at my egr valve and said he thinks it needs replaced and thats whats causing my ses light..
 
Old Jun 28, 2007 | 04:48 PM
  #13  
Manybrews's Avatar
Senior Member
Joined: May 2003
Posts: 1,187
From: United States
Default RE: 03 Lancer OZ rally,Code P0421?

ORIGINAL: kevin10

reprogramming for what? Well,not sure about replacing cat converter,gonna set up a time to take it to local mechanic,with the info i have and code. My friend looked at my egr valve and said he thinks it needs replaced and thats whats causing my ses light..
do you actually read the posts in this forum?

its been covered many times, but Ill repeat again... There is a recall for your car. Due to incorrect software parameters, you may damage your cat. converter. New software must me uploaded to your PCM, which your "local" mechanic cant do.
The cat. converter must be replaced, but you are no longer eligable for it under warranty. Either you or the previous owner has choosen to ignore the recall notice sent to you (or them), and as such are now in a position where you will need to pay for the cat., although the software is free.
 
Old Jun 28, 2007 | 05:06 PM
  #14  
kevin10's Avatar
Thread Starter
Joined: Jun 2007
Posts: 7
Default RE: 03 Lancer OZ rally,Code P0421?

and how much would the cat be? or i do i want to know..i just bought a car, i cant afford to pay much now..
 
Old Jul 7, 2007 | 05:07 PM
  #15  
levo lancer's Avatar
Joined: Jul 2007
Posts: 7
From:
Default RE: 03 Lancer OZ rally,Code P0421?




no ive hadnt had that happen yet i just bought mine like 3weeks ago.the only thing that i have wrong is my brakes make a noise when i hit them a little anyone had that problem before?


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Old Jul 7, 2007 | 05:09 PM
  #16  
levo lancer's Avatar
Joined: Jul 2007
Posts: 7
From:
Default RE: 03 Lancer OZ rally,Code P0421?




does anyone know the best turbo to put on the 03 lancer


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Old Apr 4, 2012 | 10:50 PM
  #17  
mr.ozrally's Avatar
Junior Member
Joined: Mar 2012
Posts: 5
From: Michigan
Default

wow, I have the same problem. did u ever get it fixed? i changed my plugs, coils, did a fuel system clean, and checked for vacuum leak. still doing it.
 
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