gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Fuel Pressure Sensor/Switch|Service and Repair|Page 3331 > < Metal Collar Quick Connect Fitting Service|Page 3327
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Fuel Pressure Sensor/Switch: Service and Repair

Fuel Pressure Sensor Replacement

Removal Procedure

1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle   (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Disconnect the chassis wiring harness electrical connector (1) from the fuel pressure sensor (2).
3. Remove the chassis wiring harness clip (3) from the fuel pipe.
4. Wrap a shop towel around the fuel pressure sensor fitting in order to absorb any fuel that may leak out.
5. Remove the fuel pressure sensor from the fuel line.
6. Remove and discard the fuel pressure sensor O-ring seal.

Installation Procedure

1. Lubricate a NEW fuel pressure sensor O-ring seal with clean engine oil.

Fuel Pressure Sensor/Switch|Service and Repair|Page 3331 > < Metal Collar Quick Connect Fitting Service|Page 3327