How to replace the CHT sensor in Lincoln MKX?

The CHT sensor is a crucial component of the Fail Safe Cooling system. It adjusts its voltage output based on temperature changes, with resistance values affecting the voltage signal. If the sensor temperature drops, resistance values increase and voltage rises. When the cylinder head temperature surpasses 265-degrees F, the PCM disables half of the fuel injectors at a time, with the non-fueled cylinders acting as cooling air pumps for the others. If the temperature exceeds 330-degrees F, all fuel injectors are disabled. A problem in the CHT sensor circuit triggers a diagnostic trouble code. For four-cylinder models, disconnect the negative battery terminal cable, remove the air filter outlet duct, disconnect the charge air cooler inlet pipe, pull back the rubber weather cover from the CHT sensor electrical connector, disconnect the connector, and unscrew the CHT sensor from the cylinder head. For V6 2.7L models, remove the two fasteners on the engine cover, lift up at the front, unhook the retainers at the rear, locate the CHT sensor in the driver cylinder head, disconnect the electrical connector, unscrew the CHT sensor, and install a new one. For 3.5L and 3.7L models, disconnect the negative battery terminal cable, remove the lower intake manifold, disconnect the CHT sensor electrical connector, unscrew and remove the CHT sensor, and install a new one.

Genuine Lincoln MKX Cylinder Head Temperature Sensor

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Lincoln MKX Sensor Assembly
Part Number: 9L8Z-6G004-E
$37.03 MSRP: $38.00
You Save: $0.97 (3%)
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Product Specifications
- Other Name: Sensor Assy
- Replaces: 9L8Z-6G004-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2018 Lincoln MKX | 4 Cyl 2.0L EcoBoost (240PS), 6 Cyl 3.5L DOHC VCT SMPI, 6 Cyl 3.7L DOHC | 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, 6-Speed Automatic Transmission 6F55, 8-Speed Automatic Transmission 8F35, 8-Speed Automatic Transmission 8F57, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Lincoln MKX Sensor Assembly
Part Number: 9L8Z-6G004-F
$37.34 MSRP: $38.33
You Save: $0.99 (3%)
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Product Specifications
- Other Name: Sensor Assy; Cylinder Head Temperature Sensor
- Replaces: 9L8Z-6G004-D, 9L8Z-6G004-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2016-2018 Lincoln MKX | 6 Cyl 2.7L | 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, 6-Speed Automatic Transmission 6F55, 8-Speed Automatic Transmission 8F35, 8-Speed Automatic Transmission 8F57, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Lincoln MKX Sensor Assembly
Part Number: 3L7Z-6G004-BA
$19.66 MSRP: $28.00
You Save: $8.34 (30%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sensor Assy
- Replaced by: 9L8Z-6G004-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2009 Lincoln MKX | 6 Cyl 3.5L DOHC VCT SMPI | 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Lincoln MKX Sensor Assembly
Part Number: 9L8Z-6G004-B
$26.68 MSRP: $38.00
You Save: $11.32 (30%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sensor Assy
- Replaced by: 9L8Z-6G004-E
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2015 Lincoln MKX | 4 Cyl 2.0L EcoBoost (240PS) , 6 Cyl 3.5L DOHC VCT SMPI, 6 Cyl 3.7L DOHC | 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive

Lincoln MKX Cylinder Head Temperature Sensor

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Lincoln MKX Cylinder Head Temperature Sensor Parts Questions & Experts Answers

Sensor Assembly
3L7Z-6G004-BA
Q: How to replace the CHT sensor in Lincoln MKX?
A: The CHT sensor is a crucial component of the Fail Safe Cooling system. It adjusts its voltage output based on temperature changes, with resistance values affecting the voltage signal. If the sensor temperature drops, resistance values increase and voltage rises. When the cylinder head temperature surpasses 265-degrees F, the PCM disables half of the fuel injectors at a time, with the non-fueled cylinders acting as cooling air pumps for the others. If the temperature exceeds 330-degrees F, all fuel injectors are disabled. A problem in the CHT sensor circuit triggers a diagnostic trouble code. For four-cylinder models, disconnect the negative battery terminal cable, remove the air filter outlet duct, disconnect the charge air cooler inlet pipe, pull back the rubber weather cover from the CHT sensor electrical connector, disconnect the connector, and unscrew the CHT sensor from the cylinder head. For V6 2.7L models, remove the two fasteners on the engine cover, lift up at the front, unhook the retainers at the rear, locate the CHT sensor in the driver cylinder head, disconnect the electrical connector, unscrew the CHT sensor, and install a new one. For 3.5L and 3.7L models, disconnect the negative battery terminal cable, remove the lower intake manifold, disconnect the CHT sensor electrical connector, unscrew and remove the CHT sensor, and install a new one.