Chevrolet 4596214 Fuel Rail Pressure Sensor Replacement User manual

2021-12-07, 1:43 PMDocument ID: 4596214

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2017 Chevrolet Silverado - 4WD | Cheyenne, Sierra, Silverado Service Manual 9874409 | Document ID: 4596214

Fuel Rail Pressure Sensor Replacement

Removal Procedure

1. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection

2. Throttle Body » Remove — Throttle Body Assembly Replacement

3. Disconnect the electrical connector (1).

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Danger: The noise cancelling foam component MUST be replaced if it has been exposed to

engine fluids. Failure to replace the noise cancelling foam component that has been

exposed to engine fluids may result in an engine fire resulting in catastrophic engine

damage, and possible injury or death.

4. Wrap a shop towel around the fuel injection fuel rail fuel pressure sensor (1) at the fuel injection

fuel rail to absorb any fuel that may leak out.

5. Remove and DISCARD the fuel injection fuel rail fuel pressure sensor (1).

Installation Procedure

Caution: Refer to Component Fastener Tightening Caution.

1. Install the NEW fuel injection fuel rail fuel pressure sensor (1) and tighten to:

1.1. First Pass: 20 YY (15 lb ft)

1.2. Final Pass: 15 degrees

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2. Apply a small amount of dielectric grease to the electrical connector (1). Adhesives, Fluids,

Lubricants, and Sealers

3. Electrical Connector (1) » Connect

4. Throttle Body » Install — Throttle Body Assembly Replacement

5. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection

6. If the scan tool DPF Soot Mass is less than 30 grams (67.42%), enable the DPF. Diesel Particulate

Filter (DPF) Regeneration Enable

7. If the scan tool DPF Soot Mass is 30 grams (67.42%) or greater, refer to Diesel Particulate Filter

(DPF) Service Regeneration.