Thread: Help Code P0420 Bank 1 Oxygen Sensor Fail

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#9 Re: Help Code P0420 Bank 1 Oxygen Sensor Fail
Scottydoggs

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Killa Bee

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07-03-2014

mine was just damn tight, once it broke free it came right out, the new one should come with some anti seize for the threads.

98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW

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