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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 91 (Engine Control System Diagnosis - 1.6L (3 Of 3) - Optima (Except HEV)) >> DTC P2191: System Too Lean At Higher Load (Multiple) (Bank 1) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible Cause
DTC Strategy
  • Multiplicative Long Term FT upper limit reached
  1. Air leakage
  2. Improper fuel pressure
  3. PCV valve stuck
  4. Clogging of injector
Enable Conditions
  • Torque greater than 25% and less than 60%
  • Engine speed greater than 500RPM
  • ECT greater than 60 °C (140 °F)
  • IAT less than 80 °C (176 °F)
  • Fuel System Status: Closed loop
  • Canister purge control off
Threshold Value
  • Long Term Fuel Trim (multiplicative) greater than 1.23
Diagnostic Time
  • 90s
MIL ON Condition
  • 3 driving cycles
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