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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Symptom Troubleshooting [Engine Control System - MZI 3.7 V6]) >> 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 water temperature gauge operation
    • CHT sensor malfunction
    • Instrument cluster malfunction