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Check engine, autozone says P0420 halp?
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03-07-2011, 08:42 PM
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naimouasta
Scooby Specialist
Member#:
47998
Join Date:
Nov 2003
Chapter/Region:
Tri-State
Vehicle:
2002 WRX Wagon
2008 Legacy QSM
get a high flow cat and then spark plug non fouler on the second o2 sensor.
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