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Home >> Lincoln >> 2012 >> MKZ Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 38 (Engine Controls (Except Diesel & Hybrid) - Powertrain DTC Descriptions - DTC P1703 - P2A04, DTC PXXXX, DTC U0046 - U300C, DTC UXXXX) >> 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 variant/trim than selected.
P2096 - POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1

Description:  The PCM monitors the correction value from downstream heated oxygen sensor (HO2S) as part of the fore-aft oxygen sensor control routine. This DTC sets when the correction value is greater than a calibrated limit.
Possible Causes: 
  • Corrosion
  • Incorrect connections
  • 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 .