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P0420 – Catalytic converter system, bank 1 -efficiency below threshold
P0420 – catalytic converter system, bank 1 -efficiency below threshold 1999 chevy suburban oxygen sensor and evaporative purge sol Sensor o2 bank chevy location 2500 exhaust diagram 2010 bank2 gm heated wiring cat before pipe side justanswer passenger
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I need to change it and am not sure where it is .
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1999 Chevy Suburban Oxygen Sensor and Evaporative Purge Sol
Chevy 6.0 Bank 1 Sensor 1 & Sensor 2 Locations - Q&A
P0420 – Catalytic converter system, bank 1 -efficiency below threshold