10A Pressure In Fuel Supply System

1. With diagnostic read-out tool connected to engine test connector, place ignition switch in the Off position.
2. Connect a suitable fuel pressure gauge to fuel supply hose at throttle body. Use care when disconnecting fuel supply hose, as fuel in hose maybe under pressure.
3. Place ignition switch in the Run position.
4. Depress diagnostic read-out tool ATM button and note fuel pressure gauge reading.
5. If fuel pressure gauge reading is 13.5 to 15.5 psi., proceed to step B.
6. If fuel pressure gauge reading is 0, proceed to step C.