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Home › Mazda › 2012 › 2 Sport, 1.5L Eng VIN Z, Automatic Trans › Repair and Diagnosis › Engine Performance › System › Symptom Troubleshooting [Engine Control System MZR 1.5] › No. 18 Cooling System Concerns-Runs Cold › Notes

No. 18 Cooling System Concerns-Runs Cold: Notes

18 COOLING SYSTEM CONCERNS-RUNS COLD
DESCRIPTION 
  • The engine does not reach normal operating temperature.
POSSIBLE CAUSE 
  • Cooling fan system malfunction
  • Thermostat malfunction
  • ECT sensor No. 1 malfunction
  • PCM malfunction
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