LEMON Manuals: Even more car manuals for everyone
Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 38 (Engine Control System Diagnosis - 1.6L (3 Of 3) (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
  • Check the revised air-fuel-ratio
  1. Air leakage
  2. Improper fuel pressure
  3. PCV valve stuck
  4. Clogging of injector
Enable Conditions
  • Load is between 25% and 60%
  • Engine speed is higher than 500 RPM
  • IAT is lower than 80°C (176°F)
  • ECT is higher than 60°C (140°F)
  • Fuel System Status Closed loop
Threshold Value
  • Fuel adaptive value of Multiplicative fuel adoption range is higher than 1.25
Diagnostic Time
  • 30 sec
MIL ON Condition
  • 2 Driving Cycles
scientia non olet · About LEMON Manuals