How to replace Cylinder Head Temperature Sensor on Mercury Mariner?

This procedure does not apply to 2004 and earlier V6 models, as far as I know. In 2.0L four-cylinder vehicles, it is placed close to the alternator whilst in all other four-cylinder it is fitted at the center top of cylinder head. For the later V6 engines, the sensor is fixed on the left side of the rear cylinder head. Possible sabotage steps should be initiated from the side of the car manufacturer: to start with, one should unplug the cable connected to the negative terminal of the battery. If working on a Two point Oh European four-cylinder engine, then pull off the alternator. Third, remove the CHT sensor electrical connector and thereafter unscrew and detach the CHT sensor. 2.0L four-cylinder engine electrical connector needs to be unplug before unscrewing the sensor; for both 2.3L/2.5L four-cylinder engines, the sensor is between number 2 and number 3 spark plugs. The process of installation is as close to the process of removal as it can be, and, finally, the CHT sensor is tightened to the specified torque. Since the battery is disconnected and reconnected, the PCM requires relearn for idle and fuel trim to have more appropriate driveability and performance.

Genuine Mercury Mariner Cylinder Head Temperature Sensor

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3 Cylinder Head Temperature Sensors found

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Mercury Mariner Sensor Assembly
Part Number: 8S4Z-6G004-A
$27.55 MSRP: $35.83
You Save: $8.28 (24%)
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Product Specifications
- Other Name: Sensor Assy; Cylinder Head Temperature Sensor
- Replaces: 7L5Z-6G004-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2011 Mercury Mariner | 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury Mariner Sensor Assembly
Part Number: 9L8Z-6G004-A
$26.91 MSRP: $38.33
You Save: $11.42 (30%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assy
- Replaced by: 9L8Z-6G004-F
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2011 Mercury Mariner | 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury Mariner Sensor Assembly
Part Number: 1S7Z-6G004-AA
Product Specifications
- Other Name: Sensor Assy; Cylinder Head Temperature Sensor
- Manufacturer Note: Sensor asy. (Cylinder head temperature) #1S7F 6G004-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2008 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)

Mercury Mariner Cylinder Head Temperature Sensor

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Mercury Mariner Cylinder Head Temperature Sensor Parts Questions & Experts Answers

Sensor Assembly
1S7Z-6G004-AA
Q: How to replace Cylinder Head Temperature Sensor on Mercury Mariner?
A: This procedure does not apply to 2004 and earlier V6 models, as far as I know. In 2.0L four-cylinder vehicles, it is placed close to the alternator whilst in all other four-cylinder it is fitted at the center top of cylinder head. For the later V6 engines, the sensor is fixed on the left side of the rear cylinder head. Possible sabotage steps should be initiated from the side of the car manufacturer: to start with, one should unplug the cable connected to the negative terminal of the battery. If working on a Two point Oh European four-cylinder engine, then pull off the alternator. Third, remove the CHT sensor electrical connector and thereafter unscrew and detach the CHT sensor. 2.0L four-cylinder engine electrical connector needs to be unplug before unscrewing the sensor; for both 2.3L/2.5L four-cylinder engines, the sensor is between number 2 and number 3 spark plugs. The process of installation is as close to the process of removal as it can be, and, finally, the CHT sensor is tightened to the specified torque. Since the battery is disconnected and reconnected, the PCM requires relearn for idle and fuel trim to have more appropriate driveability and performance.