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03 Lancer OZ rally,Code P0421?

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  #1  
Old 06-23-2007, 04:28 PM
kevin10's Avatar
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Default 03 Lancer OZ rally,Code P0421?

well,

just bought 03 lancer oz rally yesterday,ses light came on. Went to autozone,printed me out the code,and reset it. it came on again.

could be catlytic converter,engine misfire,large vacuum leak,engine oil leakage..

has anyone ever had this code and how much did it cost to get it fixed?

thanks
 
  #2  
Old 06-23-2007, 04:33 PM
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Default RE: 03 Lancer OZ rally,Code P0421?

Its definitely a problem with the cat, might be the sensors on it, or the cat itself
 
  #3  
Old 06-23-2007, 04:33 PM
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Default RE: 03 Lancer OZ rally,Code P0421?

Edit: double post, my bad...
 
  #4  
Old 06-23-2007, 05:01 PM
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Default RE: 03 Lancer OZ rally,Code P0421?

what if it was problem w/ cat itself? How much would that cost or how serious is that if went unfixed for while? have appointment with my mits dealer for wednesday,gonna charge me $94 for diagnostics..it has 102k miles..
 
  #5  
Old 06-23-2007, 05:12 PM
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Default RE: 03 Lancer OZ rally,Code P0421?

My friend thinks its the oxygen sensor on the exhaust..
 
  #6  
Old 06-23-2007, 05:38 PM
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Default RE: 03 Lancer OZ rally,Code P0421?

Its prolly a good bet, its the sensor im talking about, so it can be that or the cat, about the cat, the price will be one for a new cat, and the installation, and if it ts the sensors, you might need to change em
 
  #7  
Old 06-23-2007, 06:15 PM
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Default RE: 03 Lancer OZ rally,Code P0421?

Well,

I heard P0421 is a pretty common recall. Im not real crazy about going to the dealer,might try some local place instead..$95 just to diagnose what we probly already know it is?

what do you mean by, "the price will be one for new cat?" you mean 1,000? lol..hopefully dealer will do it free if recall..
 
  #8  
Old 06-24-2007, 08:16 AM
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Default RE: 03 Lancer OZ rally,Code P0421?

DO A SEARCH!


been covered a hundred times. Theres a recall on your car.
 
  #9  
Old 06-24-2007, 09:12 AM
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Default RE: 03 Lancer OZ rally,Code P0421?

So,i shouldnt take it to dealer right? just to charge me $100 for what i know it is..
 
  #10  
Old 06-26-2007, 06:32 PM
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Default RE: 03 Lancer OZ rally,Code P0421?

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.
 


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