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Home >> Mazda >> 2012 >> 6 s Touring Plus >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Symptom Troubleshooting [Engine Control System - MZR 2.5]) >> No.18 Cooling System Concerns-Runs Cold >> Notes

No.18 Cooling System Concerns-Runs Cold: Notes

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18 COOLING SYSTEM CONCERNS-RUNS COLD
DESCRIPTION 
  • Engine takes excessive time to reach normal operating temperature.
POSSIBLE CAUSE 
  • A/C and heater system malfunction
  • Thermostat malfunction
  • Cooling fan system malfunction
  • Improper indication of water temperature gauge
    • ECT sensor malfunction
    • Instrument cluster (water temperature gauge) malfunction