Thread
:
recall
View Single Post
08-13-2020, 03:38 AM
#
5
subaru_gc8
Scooby Specialist
Member#:
29292
Join Date:
Nov 2002
Chapter/Region:
SCIC
Location:
Orange County CA
Vehicle:
2004 WRX wagon
silver
the po420 is a catalytic efficiency code. so it really would have much to do with the upstream o2 sensor, it would me more your cats or the downstream o2 if anything
*
Registered users
of the site do not see these ads.
subaru_gc8
View Public Profile
Find More Posts by subaru_gc8