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The P1299 code on a 2007 Mercury Grand Marquis typically indicates an issue with the engine's cooling system, specifically related to the engine temperature sensor or the coolant temperature. To fix this, start by checking the coolant level and ensuring there are no leaks. Next, inspect the coolant temperature sensor and wiring for damage or corrosion; replacing the sensor may be necessary. Finally, if those components are functioning properly, consider checking the thermostat for proper operation and replace it if it is stuck closed or faulty.

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engine over temperature condition.


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CHECK YOUR COOLANT LEVEL ! ( check for any leaks , repair and refill system ) P1299 - Cylinder Head Over Temperature Protection Active ( indicates an engine overheat condition was detected by the cylinder head temperature ( CHT ) sensor. An FMEM strategy called FAIL - SAFE COOLING was activated to cool the engine - low engine coolant level )


What does the troubleshooting code P1299 means on a 1998 ford expedition 5.4?

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What does the troubleshooting code P1299 means for a 1998 ford expedition 5.4?

Trouble code P1299 means: Cylinder Head Overtemperature Protection Active


How do you fix engine code p1299 on my ford truck?

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How do you fix a p1299 code for a Ford Mustang?

A P1299 code for a Ford Mustang typically indicates an issue with the engine's coolant temperature sensor or a related problem, such as overheating. To fix it, start by checking the coolant level and ensuring there are no leaks. Next, inspect the coolant temperature sensor and its wiring for damage or corrosion, and replace if necessary. If the issue persists, you may need to investigate further for potential engine overheating or thermostat malfunctions.


How do you fix trouble code P1299?

Trouble code P1299 typically indicates an issue with the engine's cooling system, often related to the coolant temperature sensor or the engine overheating. To fix this code, start by checking the coolant level and ensuring there are no leaks in the system. Inspect the coolant temperature sensor for proper operation and wiring issues, and replace it if necessary. Additionally, check the thermostat and radiator for proper function, as they can also contribute to overheating issues.


Your 2002 crown Victoria goes into fail safe mode it also says p1299 cylinder head over temp?

I believe your engine coolant level is low or you have lost your coolant


How do you fix code p1299?

Code P1299 typically indicates an engine overheating issue, often related to the cooling system. To fix this, first check the coolant level and ensure there are no leaks in the system. Inspect the thermostat and radiator for functionality, and examine the cooling fans to ensure they are operating correctly. If necessary, replace any faulty components and clear the code with an OBD-II scanner.