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Dave Nova
Dave Nova, GMC Technician
Category: GM
Satisfied Customers: 19451
Experience:  ASE Master Certification. GM World Class Certification
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02 sensor bank layout for 2002 GMC DENALI 6.0

Resolved Question:

02 sensor bank layout for 2002 GMC DENALI 6.0
Submitted: 6 years ago.
Category: GM
Expert:  Dave Nova replied 6 years ago.

O2 sensors on the drivers side are bank 1. O2 sensors on the passenger side are bank 2. Sensors ahead of the catalytic converter are #1 sensors and sensors behind the catalytic converter are #2. For instance, the 02 sensor Bank 1, sensor 2 is located on the drivers side behind the catalytic converter.

 

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