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no you need the catalytic converter replaced or removed but the o2 has a code of its own which it is P0141 and says the sensor is malfunctioning

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โˆ™ 2015-07-15 21:12:07
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Q: Could a faulty O2 sensor make a 98 Chevy S10 43 liter engine light come on with a 420 code catalytic converter operating under threshold and if so where is it?
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What does the code P0420 mean in a 2001 Dodge Stratus with 2.4 engine?

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