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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 149 (Engine Control System Diagnosis - 2.0L (1 Of 3)) >> DTC P0125-00: Insufficient Coolant Temperature For Closed Loop Fuel Control >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
Main Action
  • Voltage range check
  1. Faulty cooling system
  2. Faulty ECT sensor
  3. Poor connection or harness damage
Prerequisite Condition
  • Coolant temperature during engine start is lower than 0° (32°F)
  • Time elapsed after engine start (depending on the ECT)

    0° (32°F): 50 seconds.

    8° (46.4°F): 100 seconds.

    20° (68°F): 200 seconds.

    35° (95°F): 300 seconds.

  • Battery voltage is between 11V and 16V
Threshold Value
  • Coolant temperature signal shows under 0° (32°F).
Diagnostic Time
  • Immediately
MIL-On Condition
  • 3rd Driving Cycle
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