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Home >> Mazda >> 2012 >> 2 Touring, 1.5L Eng VIN Y, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [Engine Control System MZR 1.5] >> No. 17 Cooling System Concerns-Overheating >> Notes
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No. 17 Cooling System Concerns-Overheating: Notes

17 COOLING SYSTEM CONCERNS-OVERHEATING
DESCRIPTION 
  • The engine runs at higher than normal temperature/overheats.
POSSIBLE CAUSE 
  • Radiator hose damage
  • Coolant leakage
  • Improper coolant level
  • Fans reverse rotation
  • Fuse malfunction
  • Coolant overflow system malfunction
  • Poor radiator condition
  • Improper or damaged radiator cap
  • Improper water/anti-freeze mixture
  • Continuous memory DTC is stored
  • A/C system operation is improper
  • Excessive A/C system pressure
  • Improper operation of cooling fan control system
  • Drive belt malfunction
  • Leakage around heater unit in passenger compartment
  • Leakage at coolant hoses and/or radiator
  • Thermostat malfunction
  • ECT sensor No. 1 malfunction
  • Instrument cluster malfunction
  • PCM malfunction