FixVault

No.18 Cooling System Concerns-Runs Cold: Notes

WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
NO.18 DESCRIPTION AND POSSIBLE CAUSE

18 COOLING SYSTEM CONCERNS -RUNS COLD
DESCRIPTION  The engine takes excessive time to reach the normal operating temperature.
POSSIBLE CAUSE 
  • Thermostat malfunction
  • Eccentric shaft bypass malfunction (stuck open)
  • Cooling fan system malfunction