O2 Bank 1 Sensor 2

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May 22, 2011 | 08:08 PM

Vicer_Exciser

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O2 Bank 1 Sensor 2

Code popped up. Not sure what to do. Does this part affect the performance of the vehicle significantly?

May 22, 2011 | 08:14 PM

chris015

BF Veteran

Joined: Apr 2009

Posts: 3,748

From: South Carolina

If im right,bank 1 sensor 2 is the downstream after cat. Try some dielectric grease on the contacts. That would help if you're getting moisture in the connector. If not, get that sensor replaced.

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