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Old 09-10-2010, 02:31 AM   #1
shinji666
Scooby Newbie
 
Member#: 152450
Join Date: Jun 2007
Chapter/Region: VIC
Vehicle:
2001 Impreza 2.5RS
Blue

Default ANy store/local tuner can delete certain CEL error?

I have a 2001 Impreza 2.5RS with borla replica and stock cat. P0420 CEL have been going on and off throughout the whole time to a point it's pissing me off.

Just wondering if any shop/local tuners can disable it by changing the value ranges it recognizes as "optimal"? Willing to pay too (not sure how much)...
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Old 09-10-2010, 02:35 AM   #2
FunkMasta
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Member#: 66985
Join Date: Jul 2004
Chapter/Region: VIC
Location: Coquitlam, B.C. Canada
Vehicle:
2001 2.5RS sold
2012 2.0 Hatch

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you shouldn't have a cel... i have the same car, same header(but not replica), same cat, no cel...


have you considered there might actually be an issue with it?
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Old 09-10-2010, 02:37 AM   #3
shinji666
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Member#: 152450
Join Date: Jun 2007
Chapter/Region: VIC
Vehicle:
2001 Impreza 2.5RS
Blue

Default

it's pretty common and a lot of people are getting it in the NA forum... there's spacer/wrap solution but does not guaranteed to work....

I replaced O2 sensor before already (~5 months earlier) but randomly come back from here and there.. my aircare is coming up too =(
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Old 09-10-2010, 02:59 AM   #4
Zefy
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Member#: 105104
Join Date: Jan 2006
Chapter/Region: VIC
Location: Coquitlam, BC, Canada
Vehicle:
1979 BRAT / 01 RSTI
99 2.5TS (DEAD) / 87 GL

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if you still have the stock cat then you shouldn't be getting that code. People in the n/a forum get this code because they get rid of the cat...

your cat is most likely pooched.
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Old 09-10-2010, 03:07 AM   #5
ALees
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Member#: 201393
Join Date: Jan 2009
Chapter/Region: VIC
Vehicle:
1995 impreza
silver

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If you have replaced the o2 sensor have you checked if the front A/F sensor needs replacing it usually goes before the rear o2 sensor. check that before replacing the cat
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Old 09-10-2010, 03:12 AM   #6
shinji666
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Member#: 152450
Join Date: Jun 2007
Chapter/Region: VIC
Vehicle:
2001 Impreza 2.5RS
Blue

Default

Actually some people got it from just aftermarket header as well (do a search on 0420 in NA forum). Since it doesn't affect drivability, i just want to get rid of the CEL by editing that code. Anyone knows any local tuner/shop can do such thing?

Please refer to the other thread in the NA forum instead for further discussion about solutions : http://forums.nasioc.com/forums/show....php?t=2052486
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Old 09-10-2010, 03:30 AM   #7
minifreak
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Member#: 116914
Join Date: Jun 2006
Chapter/Region: VIC
Location: Beautiful British Columbia
Vehicle:
2006 WRX Wagon
Obsidian Black

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The only shop that I know of would be Rocket Rally in Squamish.
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