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Old 08-26-2006, 10:05 AM   #1
fujiwara_yingyu
Scooby Specialist
 
Member#: 116351
Join Date: May 2006
Chapter/Region: VIC
Location: Richmond
Vehicle:
2009 CFRP GR WRB STI
2006 EVO IX MR

Default engine check light is on

i changed my car's header and catback in may...yesterday the engine check light was on , i don't have any idea, could anyone help me to answer this question?
my car is 98 2.5rs
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Old 08-26-2006, 10:07 AM   #2
LetItSnow
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Member#: 38222
Join Date: Jun 2003
Chapter/Region: Tri-State
Location: Cicero, NY
Vehicle:
'10 &'12 Foresters
another Miata convert

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We can't do a thing to help you until you get the code pulled.
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Old 08-26-2006, 01:51 PM   #3
wagonman
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Member#: 971
Join Date: Feb 2000
Chapter/Region: South East
Location: Morganton, NC
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More than likely, it is the P0420 Cat inefficiency code. It is a VERY common code for a Subaru and isn't anything to worry about. Keeping it off once it flashes is about impossible, but have the code pulled to be sure.
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