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Home >> Suzuki >> 2006 >> Aerio Base, FWD, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine General Information And Diagnosis >> Diagnostic Information and Procedures >> DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control >> DTC Detecting Condition and Trouble Area
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DTC Detecting Condition and Trouble Area

DTC DETECTING CONDITION CHART

DTC detecting condition Trouble area
Engine coolant temp. fails to reach such level as to start A/F feedback (closed loop) control even though engine was running for specified time after engine start.
(2 driving cycle detection logic)
  • ECT sensor
  • ECT sensor circuit
  • Thermostat
  • ECM
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