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.

How to Service the Throttle Position Sensor on Mercury Mariner?

Before servicing the throttle position sensor it is necessary to disconnect the electrical connector. The two screws which hold the TP sensor must be removed so you can extract the sensor from its place. Complete the installation of the screws at 10 Nm (89 lb-in) torque while using the same sequence for removal to achieve installation.

OEM Mercury Throttle Position Sensor

TPS Switch

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26 Throttle Position Sensors found

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Mercury Throttle Position Sensor Part Number: F2AZ-9B989-AA
$42.94 MSRP: $68.18
You Save: $25.24 (38%)
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Product Specifications
- Other Name: Potentiometer - Engine Throttle; Throttle Sensor
- Replaces: F2AZ-9B989-A
Fits the following Mercury Models:
- Grand Marquis | 1992-1994 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Throttle Position Sensor Part Number: 6L2Z-9B989-D
$86.96 MSRP: $143.09
You Save: $56.13 (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
Fits the following Mercury Models:
- Grand Marquis | 2005-2011 | GS, GSL, Limited Edition, LS, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
- Mountaineer | 2004-2010 | 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 Throttle Position Sensor Part Number: F4SZ-9B989-AA
$50.61 MSRP: $83.27
You Save: $32.66 (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
Fits the following Mercury Models:
- Cougar | 1994-1997 | XR-7 | 8 Cyl 4.6 L GAS
- Grand Marquis | 1995-2004 | GS, LS, LSE | 8 Cyl 4.6 L GAS
- Marauder | 2003-2004 | Base | 8 Cyl 4.6 L GAS
- Mountaineer | 1998-2003 | 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
- Sable | 1996-2002 | G, GS, LS, LS Premium | 6 Cyl 3.0 L GAS
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Mercury Throttle Position Sensor Part Number: F57Z-9B989-A
$41.56 MSRP: $66.00
You Save: $24.44 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Potentiometer - Engine Throttle; Throttle Sensor
Fits the following Mercury Models:
- Mountaineer | 1998-2000 | Base | 6 Cyl 4.0 L GAS
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Mercury Throttle Position Sensor Part Number: F3DZ-9B989-BA
$38.95 MSRP: $53.88
You Save: $14.93 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Potentiometer - Engine Throttle; Throttle Pos Sensor; Throttle Sensor
- Replaces: F3DZ-9B989-B
Fits the following Mercury Models:
- Sable | 1993-1995 | GS, LS, LTS | 6 Cyl 3.0 L GAS
- Topaz | 1993-1994 | GS | 6 Cyl 3.0 L GAS
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Mercury Throttle Position Sensor Part Number: F2SZ-9B989-BA
$17.65 MSRP: $24.42
You Save: $6.77 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Potentiometer - Engine; Potentiometer
Fits the following Mercury Models:
- Cougar | 1994-1995 | XR-7 | 6 Cyl 3.8 L GAS
- Sable | 1993-1995 | GS, LS | 6 Cyl 3.8 L GAS
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Mercury Throttle Position Sensor Part Number: F3CZ-9B989-BA
$42.92 MSRP: $58.41
You Save: $15.49 (27%)
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Product Specifications
- Other Name: Potentiometer - Engine
Fits the following Mercury Models:
- Tracer | 1991-1996 | Base, Trio | 4 Cyl 1.9 L GAS
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Mercury Throttle Position Sensor Part Number: F33Z9B989AA
$34.69 MSRP: $47.21
You Save: $12.52 (27%)
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Product Specifications
- Other Name: Potentiometer - Engine
Fits the following Mercury Models:
- Topaz | 1993-1994 | GS | 4 Cyl 2.3 L GAS
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Mercury Throttle Position Sensor Part Number: E6PZ9B989A
$25.93 MSRP: $35.29
You Save: $9.36 (27%)
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Product Specifications
- Other Name: Potentiometer - Engine Throttle
Fits the following Mercury Models:
- Sable | 1986 | GS | 4 Cyl 2.5 L GAS
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Mercury Throttle Position Sensor Part Number: E8DZ9B989A
$23.57 MSRP: $32.07
You Save: $8.50 (27%)
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Product Specifications
- Other Name: Potentiometer - Engine
Fits the following Mercury Models:
- Colony Park | 1990-1991 | GS, LS | 8 Cyl 5.0 L GAS
- Grand Marquis | 1990-1991 | GS, LS | 8 Cyl 5.0 L GAS
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Mercury Throttle Position Sensor Part Number: F1DZ9B989AB
$31.52 MSRP: $42.89
You Save: $11.37 (27%)
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Product Specifications
- Other Name: Potentiometer - Engine Throttle
Fits the following Mercury Models:
- Topaz | 1992 | GS, LS, LTS, Sport | 4 Cyl 2.3 L GAS
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Mercury Throttle Position Sensor Part Number: F4ZZ-9B989-A
$37.51 MSRP: $58.55
You Save: $21.04 (36%)
Product Specifications
- Other Name: Potentiometer - Engine Throttle; Potentiometer
Fits the following Mercury Models:
- Cougar | 1996-1997 | XR-7 | 6 Cyl 3.8 L GAS
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Mercury Throttle Position Sensor Part Number: F2DZ-9B989-BA
$33.20 MSRP: $51.82
You Save: $18.62 (36%)
Product Specifications
- Other Name: Potentiometer - Engine Throttle; Throttle Pos Sensor
- Replaces: F2DZ-9B989-B
Fits the following Mercury Models:
- Sable | 1992 | GS, LS | 6 Cyl 3.0 L GAS
- Topaz | 1992 | GS, LTS, Sport, XR5 | 6 Cyl 3.0 L GAS
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Mercury Throttle Position Sensor Part Number: 1F5Z-9B989-AA
Product Specifications
- Other Name: Potentiometer - Engine Throttle; Throttle Pos Sensor
- Replaces: F6XZ-9B989-BA
Fits the following Mercury Models:
- Villager | 1996-2002 | Base, Estate, GS, LS, Nautica, Sport | 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
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Mercury Throttle Position Sensor Part Number: F2SZ-9B989-CA
Product Specifications
- Other Name: Potentiometer - Engine; Potentiometer
Fits the following Mercury Models:
- Cougar | 1994-1995 | XR-7 | 6 Cyl 3.8 L GAS
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Mercury Throttle Position Sensor Part Number: E3PZ9B989A
Product Specifications
- Other Name: Sensor - Throttle Position
Fits the following Mercury Models:
- Cougar | 1984 | XR-7 | 4 Cyl 2.3 L GAS
- Grand Marquis | 1984-1985 | Base, Colony Park, LS | 8 Cyl 5.0 L GAS
- Marquis | 1984 | Base, Brougham | 4 Cyl 2.3 L GAS, 4 Cyl 2.3 L LPG
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Mercury Throttle Position Sensor Part Number: E5FZ9B989C
Product Specifications
- Other Name: Emission Part
Fits the following Mercury Models:
- Capri | 1984-1985 | GS, RS Turbo | 4 Cyl 2.3 L GAS
- Cougar | 1984 | Base, LS | 8 Cyl 5.0 L GAS
- Lynx | 1984-1985 | Base, GL, GS, L, LS, LTS, RS, XR3 | 4 Cyl 1.6 L GAS, 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L DIESEL
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Mercury Throttle Position Sensor Part Number: E6FZ9B989A
Product Specifications
- Other Name: Potentiometer - Engine; Potentiometer - Engine Throttle
Fits the following Mercury Models:
- Lynx | 1986 | Base, GS, L, XR3 | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L DIESEL
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Mercury Throttle Position Sensor Part Number: E7AZ-9B989-AA
Product Specifications
- Other Name: Potentiometer - Engine; Throttle Pos Sensor; Potentiometer
Fits the following Mercury Models:
- Cougar | 1988-1993 | LS, XR-7 | 6 Cyl 3.8 L GAS
- Sable | 1988-1992 | GS, LS | 6 Cyl 3.8 L GAS
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Mercury Throttle Position Sensor Part Number: E8AZ9B989A
Product Specifications
- Other Name: Potentiometer - Engine Throttle
Fits the following Mercury Models:
- Colony Park | 1989 | GS, LS | 8 Cyl 5.0 L GAS
- Grand Marquis | 1989 | GS, LS | 8 Cyl 5.0 L GAS

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Mercury Throttle Position Sensor

If you own Mercury and want to keep it in top shape, choosing OEM Throttle Position Sensor is a smart move. They are precisely engineered and follow strict factory standards. They are made in advanced facilities that use cutting edge technology. Each part goes through thorough testing to confirm strength and safety, so you can trust it. FordPartsDeal.com gives you genuine Mercury Throttle Position Sensor at some of the affordable online prices without cutting quality. Every OEM Mercury part includes the manufacturer's warranty, easy returns, and super-fast delivery. So why wait? Shop now and get your vehicle back to peak condition.

Mercury Throttle Position Sensor Parts and Q&A

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.
Throttle Position Sensor
F5RZ-9B989-BA
Q: How to Service the Throttle Position Sensor on Mercury Mariner?
A:
Before servicing the throttle position sensor it is necessary to disconnect the electrical connector. The two screws which hold the TP sensor must be removed so you can extract the sensor from its place. Complete the installation of the screws at 10 Nm (89 lb-in) torque while using the same sequence for removal to achieve installation.