Fuel Pressure Test Port: Service and Repair

SPECIAL SERVICE TOOL(S) REQUIRED

Description
- Multiport Fuel Injection (MFI) Fuel Pressure Gauge

Tool Number
- 310-012 (T80L-9974-B)

REMOVAL

Fuel Injection Supply Manifold:

1. If fuel injection supply manifold is mounted to engine, remove fuel tank filler cap; then release pressure from system at fuel pressure relief valve on fuel injection supply manifold using multiport fuel injection Fuel Pressure Gauge 310-012 (T80L-9974-B).

NOTE: Fuel pressure relief valve cap on fuel pressure relief valve must be removed.

2. Using an open-end wrench or suitable deep well socket, remove fuel pressure relief valve.

INSTALLATION
1. Install fuel pressure relief valve. Tighten fuel pressure relief valve to 7.75 Nm (68 lb-in).
2. Perform post-service procedures. Service and Repair
3. Install fuel pressure relief valve cap. Tighten to 0.6 Nm (5 lb-in).