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Home >> Hyundai >> 2004 >> Elantra GLS, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Trouble Shooting Procedures >> DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control >> Inspection Procedures >> 2. Check Engine Coolant
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2. Check Engine Coolant

  1. Check engine coolant level.
  2. Measure the specific gravity of the coolant with a hydrometer.

Is engine coolant normal? 

Yes: Go to next step.

No: Replace it.

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