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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 P2187: System Too Lean At Idle (← Additive) (Bank 1) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Additive Long Term FT upper limit reached
  1. Air leakage
  2. Improper fuel pressure
  3. PCV valve stuck
  4. Clogging of injector
Enable Conditions
  • Load is between 5.8% and 30%
  • Engine speed is lower than 1000rpm
  • 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 additive fuel adoption range is higher than 9.0%
Diagnostic Time
  • 25 sec
MIL ON Condition
  • 2 Driving Cycles
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