Component Tests and General Diagnostics
FUEL PRESSURE RELIEF1. Disconnect electrical connection to inertia fuel shutoff switch.
2. Crank engine for 15 seconds to reduce system pressure.
3. Remove cap from fuel pressure relief (Schrader type Valve).
CAUTION
- Use care to prevent combustion from fuel spillage. Wrap a shop towel around the schrader type valve before connecting fuel pressure gage. To prevent fuel from contacting engine.
FUEL PRESSURE TEST
4. Install Multiport Fuel Injection Fuel Pressure Gauge on fuel pressure relief valve.
5. Connect inertia fuel shutoff switch.
6. Start engine and check fuel pressure.
7. Accelerate engine. Pressure should remain stable throughout acceleration.