P2099 FORD - Post Catalyst Fuel Trim System Too Rich Bank 2
Tech notesBefore replacing the Heated Oxygen Sensor, inspect the sensor connector for signs of damage, water ingress, or corrosion
P2099 Ford DescriptionThe Powertrain Control Module (PCM) monitors the correction value from downstream Heated Oxygen Sensor (HO2S) as part of the fore-aft oxygen sensor control routine. The test fails when correction value is greater than a calibrated limit.
P2099 Ford Information for specific Ford models
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