Chevy Code P0420 Bank 1

Chevy code image0 p0420 cruze Oxygen bank heater o2 p0141 p0420 p0138 catalyst voltage malfunction system threshold downstream efficiency carparts gasoline p0135 dtc P0420 code: catalyst system efficiency below threshold (bank 1)

2013 Chevy Cruze LT 1.4 Turbo I have code P0420. I’ve changed the Bank

Code p0420 catalyst efficiency below threshold bank 1. emissions test P0420 bank code catalyst below threshold efficiency emissions P0420 – catalytic converter system, bank 1 -efficiency below threshold

Toyota p0420 exhaust system code fault converter catalytic bank p0171 sensor schematic below vehicle threshold efficiency where systems location catalyst

2013 chevy cruze lt 1.4 turbo i have code p0420. i’ve changed the bank .

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