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Home >> Suzuki >> 2007 >> SX4 Base, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine General Information And Diagnosis >> Diagnostic Information and Procedures >> DTC P0171 / P0172: System Too Lean / Too Rich (Sensor-1, Bank-1) >> DTC Detecting Condition and Trouble Area
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DTC Detecting Condition and Trouble Area

DTC DETECTING CONDITION AND TROUBLE AREA

DTC detecting condition Trouble area
DTC P0171: 
Total fuel trim (short term fuel trim + long term fuel trim) is higher than specified range for 10 sec. 3 times.
(2 driving cycle detection logic)
DTC P0172: 
Total fuel trim (short term fuel trim + long term fuel trim) is lower than specified range for 10 sec. 3 times.
(2 driving cycle detection logic)
  • Vacuum leakage
  • Exhaust gas leakage
  • Fuel pressure out of specification
  • Fuel injector
  • A/F sensor
  • MAF sensor
  • ECT sensor
  • ECM
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