I have a 2003 PT cruiser having trouble overheating when i unplug the heat sensor the cooling fan goes on , when plug it in it shuts off
1
Inspect
Hose
Ruptured, Cracked or Leaking Raditor Hose.
2
Inspect
Head Gasket
Leaking Head Gasket.
3
Inspect
Thermostat
Thermostat Stuck Closed.
4
Inspect
Raditor Cap
Worn or Damaged Raditor Cap.
5
Inspect
Raditor
Raditor Fins Obstructed.
6
Inspect
Belt
Missing or Broken Water Pump Belt.
7
Inspect
Heater Core
Heater Core May Be Leaking Antifreeze/Coolant into The Vehicles Floor Area.
8
Inspect
Intake Manifold Gasket
Leaking, Worn, or Damaged Intake Manifold Gasket.
9
Inspect
Cooling Fan Switch - Raditor
Faulty Raditor Cooling Fan Sensor/Switch.
9
Inspect
Water Pump
Leaking Water Pump.
9
Inspect
Raditor Fan Motor
Faulty Raditor Cooling Fan Motor.
9
Inspect
Relay - Raditor Cooling Fan Motor
Faulty Cooling Fan Relay.
9
Inspect
Fan Blade
Broken, Missing, or Faulty Fan Blade(s).
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