What is the purpose of the fuel tank pressure (FTP) sensor on Ford Excursion?

The fuel tank pressure (FTP) sensor is used to monitor the fuel tank pressure or vacuum during the OBD-II test portion for emissions integrity. This test scans various sensors and output actuators to detect abnormal amounts of fuel vapors that may not be purging into the canister or the intake system for recycling. The FP sensor helps the PCM monitor this pressure differential (pressure vs. vacuum) inside the fuel tank. A problem in the fuel tank pressure sensor circuit will set a diagnostic trouble code. Make sure the ignition key is in the OFF position. Remove the fuel tank. Push down and rotate the fuel tank pressure sensor counterclockwise. Remove the sensor from the fuel tank. Installation is the reverse of removal. Be sure to install a new gasket.

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Fuel Tank Pressure Sensor

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Ford Excursion Fuel Tank Pressure Sensor Assembly
Part Number: XS4Z-9C052-AA
$64.32 MSRP: $127.82
You Save: $63.50 (50%)
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Product Specifications
- Other Name: Sensor Assy; Pressure Sensor, Sensor
- Replaces: XS4Z-9F479-AA, F87Z-9C052-AA, F75Z-9C052-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2005 Ford Excursion | 10 Cyl 6.8L, 8 Cyl 5.4L | 4AT 4R100, 5AT

Ford Excursion Fuel Pressure Sensor

The Fuel Pressure Sensor for Ford Excursion likewise known as the fuel tank pressure sensor is an important unit performing the task of measuring and identifying fuel pressure. Thus, transferring this information to the vehicle's internal computer, the sensor is able to correct necessary changes in the engine timing. Various types of fuel pressure sensors may include the fuel rail pressure sensors and they do have the same or similar primary function regardless of the model of the Excursion it is used in, but may have slight functional differences. However, if the fuel pressure sensor fails then performance problems such as, hard starting, poor fuel economy and other related engine performance problems can affect the running of the car. Pressure sensors that deal with fuel have to be maintained to the optimal of abilities to enhance the efficiency of the engine.

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Ford Excursion Fuel Pressure Sensor Parts Questions & Experts Answers

Fuel Tank Pressure Sensor Assembly
XS4Z-9C052-AA
Q: What is the purpose of the fuel tank pressure (FTP) sensor on Ford Excursion?
A: The fuel tank pressure (FTP) sensor is used to monitor the fuel tank pressure or vacuum during the OBD-II test portion for emissions integrity. This test scans various sensors and output actuators to detect abnormal amounts of fuel vapors that may not be purging into the canister or the intake system for recycling. The FP sensor helps the PCM monitor this pressure differential (pressure vs. vacuum) inside the fuel tank. A problem in the fuel tank pressure sensor circuit will set a diagnostic trouble code. Make sure the ignition key is in the OFF position. Remove the fuel tank. Push down and rotate the fuel tank pressure sensor counterclockwise. Remove the sensor from the fuel tank. Installation is the reverse of removal. Be sure to install a new gasket.

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