LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) (PHEV) >> DTC P2096-00: Post Catalyst Fuel Trim System Too Lean (Bank 1) >> DTC Information >> DTC Detecting Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Deviation of Long Term Fuel Trim Monitoring
  1. Poor Connector Connection
  2. Air leakage or restriction in Intake or Exhaust System
  3. Faulty Downstream O2 Sensor
  4. Faulty Three-Way Catalyst Converter
Enable Conditions
  • Lambda control active
  • Dynamic fuel trim is active
  • Canister purge valve not opening or closing
Threshold Value
  • The fuel trim value by rear O2 sensor is higher than +5% or lower than -5%
Diagnostic Time
  • 60s
MIL On Condition
  • 2 Driving Cycles