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2002
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Focus ZX3 L4-2.0L DOHC VIN 3
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Oxygen Sensor
Oxygen Sensor
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Application and ID
Description and Operation
PCM Input
Upstream Heated and Downstream Heated Oxygen Sensors
Testing and Inspection
Locations
Service and Repair
Heated Oxygen Sensor (HO2S)
Catalyst Monitor Sensor
Diagrams
Diagram Information and Instructions
How to Find and Use These Diagrams
Symbols/Circuit Identification
Circuit Identification Charts and System Codes
Electrical Symbols
Vacuum Symbols
Systems Overview
Wire Color Code Identification
Diagnostic Aids
Connector Views
Heated Oxygen Sensor #11
Heated Oxygen Sensor #12
Electrical Diagrams
Tools and Equipment
