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Ford P2196 Code – O2 Sensor Stuck Rich Bank 1
Limited
Safe to drive :
Ford vehicles only
Applies only to :
Not applicable to :
This explanation does NOT apply to Toyota, BMW, GM, VW, or other manufacturers.
Medium
Severity level :
When Does This Code Appear on the Vehicles
Ford P2196 is commonly associated with rich running conditions and poor fuel economy.
What This Code means on the Vehicles
On Ford vehicles, P2196 indicates the upstream oxygen sensor on Bank 1 is stuck rich.
Why This is different from a generic OBD2 Code
Ford fuel systems often cause rich readings without sensor failure.
Common Situations That Trigger This Code
Leaking injectors; High fuel pressure; Contaminated MAF sensor.
What Will NOT Fix This Code
Replacing catalytic converter; Replacing downstream sensors.
How to Clear This Code on Vehicles
Inspect fuel delivery, clean MAF, clear code.
Related Manufacturer Specific Codes
Ford P0172; Ford P2195
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