10-Step A, Pressure In Fuel Supply System

1. Diagnostic read-out box connected to the test connector. Turn the ignition switch OFF.
2. Connect a suitable fuel pressure gauge and check fuel system pressure. Use care when disconnecting fuel supply hose, as fuel in hose maybe under pressure.
3. Turn ignition switch to the run position and press the ATM button on the readout box.
4. If fuel pressure gauge reading is 34 to 38 psi., proceed to Test 10 step B.
5. If fuel pressure gauge reading is 0, proceed to Test 10 step C.