LEMON Manuals: Even more car manuals for everyone
Home >> Hyundai >> 2003 >> Santa Fe Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 2.4L >> Diagnostic Tests >> DTC P0171: System Too Lean Bank 1 >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item Detecting Condition Possible cause
DTC Strategy
  • A/F learned value (KLRN) & Integral value of A/F feedback compensation (KI) are monitored.
  • Air leakage
  • Improper fuel line pressure
  • Faulty Injector
  • Faulty Fuel Pump
  • Faulty PCM
Enable Conditions
  • Closed loop
Threshold value
  • A/F learned value (KLRN)
 LEAN
  • Integral value of A/F
 > 12.5%
  • F/B compensation (Ki)
 >12.5%
  • Idle (KLRN + Ki)
 > 32.5%
Diagnosis Time
  • continuous
MIL On Condition
  • 2 driving cycles
scientia non olet · About LEMON Manuals