Subaru p0420 catalyst system outback code 2001 efficiency threshold below engine check light Subaru sensor legacy ratio fuel air oxygen p0420 outback sensors 5i code 2005 problems couple reset times 2006 2010 2003 P0420 subaru
Subaru Legacy 2.5i Code P0420: Reset Multiple Times - Q&A
P0011 & p0021
Subaru p0420: catalyst system efficiency below threshold (bank 1)
Subaru dtc p0021 p0011Subaru p0420 Check engine light codes p0420P0021 subaru.
P0420 smog catalytic oxygen sensorsSubaru legacy 2.5i code p0420: reset multiple times P0031 forester o2 control bankSubaru check engine light and code # p0420 explained.
P0021 subaru p0011
My check engine light still comes on: c/s he had new catalytic and newP0420 subaru .
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