How to service the Throttle Position Sensor on a 4.6L (3V) engine on Mercury Mountaineer?

In order to service the Throttle Position (TP) Sensor, 4.6L (3V) engines, it is necessary to take out the air cleaner out pipe and the Heated PCV. Unplug the sensor connector in TP sensor, unscrew and off. Install new sensors and screws making sure that they are aligned. Reconnect electrical connector and put parts together.

How to service and repair the Throttle Position Sensor on Mercury Mountaineer?

To service Throttle position sensor, begin by unscrewing the battery ground strap. Next, take out the snow shield of the accelerator control and break the electrical connector of the TP sensor and then remove the sensor. These steps can be reversed in order to install a new sensor.

OEM Mercury Mountaineer Throttle Position Sensor

TPS Switch

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4 Throttle Position Sensors found

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Mercury Mountaineer Throttle Position Sensor Part Number: F5RZ-9B989-BA
$11.30 MSRP: $17.94
You Save: $6.64 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Potentiometer - Engine Throttle; Throttle Pos Sensor; Position Sensor; Throttle Sensor; Potentiometer
- Replaces: F5RZ-9B989-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS
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Mercury Mountaineer Throttle Position Sensor Part Number: F4SZ-9B989-AA
$49.93 MSRP: $82.16
You Save: $32.23 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Potentiometer - Engine Throttle; Throttle Pos Sensor; Fuel Injector; Throttle Sensor; Potentiometer; Injector
- Replaces: F4SZ-9B989-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2003 Mercury Mountaineer | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Throttle Position Sensor Part Number: 6L2Z-9B989-D
$88.26 MSRP: $145.22
You Save: $56.96 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Potentiometer - Engine Throttle; Throttle Pos Sensor; Throttle Sensor; Potentiometer
- Replaces: 3L5Z-9B989-AA, 6L2Z-9B989-B, 6L2Z-9B989-A, DY-1049
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Throttle Position Sensor Part Number: F57Z-9B989-A
$38.41 MSRP: $61.00
You Save: $22.59 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Potentiometer - Engine Throttle; Throttle Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2000 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS

Mercury Mountaineer Throttle Position Sensor

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Mercury Mountaineer Throttle Position Sensor Parts and Q&A

Throttle Position Sensor
6L2Z-9B989-D
Q: How to service the Throttle Position Sensor on a 4.6L (3V) engine on Mercury Mountaineer?
A: In order to service the Throttle Position (TP) Sensor, 4.6L (3V) engines, it is necessary to take out the air cleaner out pipe and the Heated PCV. Unplug the sensor connector in TP sensor, unscrew and off. Install new sensors and screws making sure that they are aligned. Reconnect electrical connector and put parts together.
Throttle Position Sensor
F4SZ-9B989-AA
Q: How to service and repair the Throttle Position Sensor on Mercury Mountaineer?
A: To service Throttle position sensor, begin by unscrewing the battery ground strap. Next, take out the snow shield of the accelerator control and break the electrical connector of the TP sensor and then remove the sensor. These steps can be reversed in order to install a new sensor.