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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2606 (Engine Controls - Powertrain DTC Charts And Descriptions (Hybrid)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> DTC P2096: Post Catalyst Fuel Trim System Too Lean Bank 1

DTC P2096: Post Catalyst Fuel Trim System Too Lean Bank 1

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, 2011 Ford Fusion, 2010 Mercury Milan, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
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: 
  • Incorrect connections, and damaged or corroded terminals
  • Exhaust leaks
  • Contaminated HO2S
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 .
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