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Diagnostic Trouble Codes Detecting Condition and Trouble Area

DTC DETECTING CONDITION AND TROUBLE AREA

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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