How to service the Throttle Position Sensor on Mercury Grand Marquis?

One needs to disconnect the battery cable from the ground before starting the Throttle Position Sensor service by removing the engine appearance cover. Proceed by detaching the electrical connector from the Throttle Position (TP) sensor before taking out the component. Safety instructions for sensor installation include performing the opposite steps of removal.

OEM Mercury Grand Marquis Throttle Position Sensor

TPS Switch

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6 Throttle Position Sensors found

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Mercury Grand Marquis Throttle Position Sensor
Part Number: F2AZ-9B989-AA
$39.67 MSRP: $63.00
You Save: $23.33 (38%)
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Product Specifications
- Other Name: Potentiometer - Engine Throttle; Throttle Sensor
- Replaces: F2AZ-9B989-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1994 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis 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:
- 1995-2004 Mercury Grand Marquis | GS, LS, LSE | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis 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:
- 2005-2011 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Throttle Position Sensor
Part Number: E8DZ9B989A
$23.57 MSRP: $32.07
You Save: $8.50 (27%)
ADD TO CART
Product Specifications
- Other Name: Potentiometer - Engine
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1990-1991 Mercury Grand Marquis | GS, LS | 8 Cyl 5.0 L GAS
View related parts
Mercury Grand Marquis Throttle Position Sensor
Part Number: E8AZ9B989A
Product Specifications
- Other Name: Potentiometer - Engine Throttle
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1989 Mercury Grand Marquis | GS, LS | 8 Cyl 5.0 L GAS
View related parts
Mercury Grand Marquis Throttle Position Sensor
Part Number: E3PZ9B989A
Product Specifications
- Other Name: Sensor - Throttle Position
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1985 Mercury Grand Marquis | Base, Colony Park, LS | 8 Cyl 5.0 L GAS

Mercury Grand Marquis Throttle Position Sensor

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Mercury Grand Marquis Throttle Position Sensor Parts Questions & Experts Answers

Throttle Position Sensor
F4SZ-9B989-AA
Q: How to service the Throttle Position Sensor on Mercury Grand Marquis?
A: One needs to disconnect the Battery Cable from the ground before starting the Throttle Position Sensor service by removing the engine appearance cover. Proceed by detaching the electrical connector from the Throttle Position (TP) sensor before taking out the component. Safety instructions for sensor installation include performing the opposite steps of removal.