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# Post Title Date User
2015 Buick Encore PO420 code   10 months ago victheart
Buick Encore PO420 code Catalytic converter Issu
CEL PO420 @ low rpms, stays off @rpms   1 year ago victheart
PO420 emissions system
2012 Honda CRV Code PO420   2 years ago paulc1274@yahoo.com
Help with code PO420
Po420 code won't go away   2 years ago FTDriver
Po420 low efficiency runs rich exhaust smell O2 sensors
Po420 wont go away   2 years ago FTDriver
Po420 low efficiency Bank 1
Po420   2 years ago TimG
Po420 diesel in a gas vehicle
2010 Nissan Altima 4 cylinder 2.5 S 157000kms rattling   4 years ago MechanicInTraining2090
Oxygen sensor PO420 Nissan
Honda accord 2008 multiple codes   4 years ago Afi shomik
Catalytic converter code PO420 honda accord 2008 2.4L 4 Lean engine
P0420- 2020 Chevy traverse   5 years ago Johnnykid19
Po420
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