P0420 And Bad Gas Mileage

18 Jun 2024

Weird, inconsistant p0420 situation. fluke? bad gas? elevation ️bad gas mileage (7 reasons why)🔥 Do bad oxygen sensors affect gas mileage

Weird, inconsistant P0420 situation. Fluke? Bad gas? Elevation

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Cheap catalytic convertor getting p0420 same gas mileage

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