Mountaineer 2WD V6-4.0L VIN K (2007)
Fuel Pressure Sensor/Switch: Service and Repair
FUEL RAIL PRESSURE AND TEMPERATURE SENSOR
Removal and Installation
WARNING:
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Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly
flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in personal injury.
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Fuel in the fuel system remains under high pressure even when the engine is not running. Before working on or disconnecting any of the
fuel lines or fuel system components, the fuel system pressure must be relieved. Failure to follow these instructions may result in personal
injury.
1. Release the fuel system pressure.
2. Remove the intake manifold.
3. Disconnect the fuel rail pressure and temperature sensor vacuum and electrical connectors.
4. Remove the bolts and the fuel rail pressure and temperature sensor.
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To install, tighten to 6 Nm (53 lb-in).
5. Remove and discard the O-ring seal.
6. CAUTION: Use an O-ring seal made of special fuel resistant material. Use of an ordinary O-ring seal can cause the fuel system to leak.
