buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Diagnostic Aids > < Oxygen Sensor|Locations|Page 7935
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Oxygen Sensor: Diagram Information and Instructions

Utility/Van Zoning

All grounds, in-line connectors, pass-through grommets, and splices have identifying numbers that correspond to where they are located in the vehicle.
The following table explains the numbering system.

Diagnostic Aids > < Oxygen Sensor|Locations|Page 7935