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i got a cod (PO420) it means (manifold catalyst low(bank 1)) what is that?????
thanks
thanks
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adsm08
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P0420 Main catalyst below efficiency threshold.
You have 1 of two things wrong, either A) your downstream O2 for Bank 1 has gone bad, or, you need a new converter. I'd start with the sensor.
You have 1 of two things wrong, either A) your downstream O2 for Bank 1 has gone bad, or, you need a new converter. I'd start with the sensor.
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