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

Starting the service and repair process for the Throttle Position Sensor requires the battery ground strap to be disconnected first. Begin with the removal of the accelerator control snow shield followed by disconnecting electrical power from the Throttle Position (TP) sensor before removing it. The installation method for the new sensor requires following the steps in reverse order to the removal process.

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
ADD TO CART
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
ADD TO CART
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 Questions & Experts Answers

Throttle Position Sensor
F4SZ-9B989-AA
Q: How to service and repair the Throttle Position Sensor on Mercury Mountaineer?
A: Starting the service and repair process for the Throttle Position Sensor requires the battery ground strap to be disconnected first. Begin with the removal of the accelerator control snow shield followed by disconnecting electrical power from the Throttle Position (TP) sensor before removing it. The installation method for the new sensor requires following the steps in reverse order to the removal process.