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I have an engine code P2A01 Bank 1 Sensor 2 Performance on my 2005 GMC Sierra 5.3L

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I have an engine code P2A01 Bank 1 Sensor 2 Performance on my 2005 GMC Sierra 5.3L

Vehicle: 2005 GMC Sierra 5.3L

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You must replace the rear O2 sensor Bank 1 (driver side, downstream)

P2A01 GMC - O2 Sensor Circuit Range/Performance Bank 1 Sensor 2
Read more: https://www.autocodes.com/p2a01_gmc.html

2005 GMC Sierra Oxygen Sensor (O2) Location

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