DTC P2096: - Post Catalyst Fuel Trim System Too Lean Bank 1
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2009 Mercury Mountaineer, 2009 Mercury Milan, 2009 Mercury Mariner, 2009 Mercury Grand Marquis, and 2009 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
DTC P2096: - POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1
| Description: | The 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 the correction value is greater than a calibrated limit. | ||
| Possible Causes: |
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| Diagnostic Aids: | Inspect the connectors for signs of damage, water ingress, or corrosion. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | - | - | GO to Pinpoint Test DZ . |