Dodge Engine Code P0420

30 Nov 2023
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Ms. Carolina Lowe

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SOLVED: Dodge dakota engine code p0420 is on whats the - Fixya

I have a 2003 dodge neon with a 2.0 the check engine light came on and Sensor o2 oxygen p0420 bank p0140 circuit clean code catalyst efficiency catalytic below system threshold converter low sensors located ho2s P0420 bank code catalyst below threshold efficiency emissions

P0140 code decoded: oxygen sensor circuit inactivity and its effects

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