A leak found during this test would likely cause the P0217 code and would need to be repaired before any further diagnosis may take place. If no obvious issues are found, the mechanic would then run a cooling system pressure test to help locate any leaks that may exist. How does a mechanic diagnose the P0217 code?Ī mechanic may diagnose the P0217 code by checking the coolant level and inspecting the cooling system for any obvious damages such as cracks and leaks. Severe engine damage may result from overheating Loud boiling sounds coming from the engine bayĬoolant may explode out of any part of the cooling system if the system has become over pressurized Steam or smoke may be emitted from the engine compartment
Restriction in the radiator or other parts of the cooling systemĪ message displayed that indicates that engine power has been reduced (on vehicles with fail-safe cooling systems).Įngine may shut off to avoid severe overheating Inoperative fan clutch or electric cooling fan What are the causes of the P0217 code?Ī leak in the cooling system from parts, such as the radiator, thermostat housing, radiator hoses, heater hoses, water pump, head gasket, or the engine itselfĭamaged wiring associated with the coolant temperature sensor If this temperature exceeds a certain limit set by the vehicle’s manufacturer, the Check Engine Light will be illuminated and a P0217 code will be stored. Most engines have an engine coolant temperature sensor that sends a voltage reading to the powertrain control module which converts that into a temperature. The P0217 code means that the engine is or was overheating and should be turned off as soon as possible. Engine Overheating Condition What the P0217 code means
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