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oc-boxster · 02-19-2016, 10:59 AM

I keep getting check engine light with code for bank 1 cat insufficiency. Anyone know of a good source for some low mileage used OEM replacements? My Indy mechanic says it can't be anything but the cats-car runs fine

02-19-2016, 10:59 AM	#1
oc-boxster Registered User Join Date: Feb 2012 Location: anaheim california Posts: 480	Cat insufficiency I keep getting check engine light with code for bank 1 cat insufficiency. Anyone know of a good source for some low mileage used OEM replacements? My Indy mechanic says it can't be anything but the cats-car runs fine