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Thread: p0420 code again
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Old 06-13-2021, 12:28 PM
nissanh nissanh is offline
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nissanh nissanh is offline
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I heard the newer models (not sure 01 is included) the manufactures are required to update the software to once in a while rich the engine and see the corresponding change is detected at the O2 sensor. The manufacturers know many are adding the spacer to go around the P0420 so here is the new update.

Eastern Catalytics make good converters too. I bought one for my 2000 LC and works great. 5 year 50K mile warranty included too.
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