1978-79 Models
Remove fuel pump relay. Install Adapter Switch (US4480/3) and turn switch on. Fuel pressure should be 49-54 psi (3.4-3.8 kg/cm2 ). Turn adapter switch off and check that fuel pressure drops to 28-37 psi (2.0-2.6 kg/cm2 ).
Remove fuel pump relay. Install Adapter Switch (US4480/3) and turn switch on. Fuel pressure should be 49-54 psi (3.4-3.8 kg/cm2 ). Turn adapter switch off and check that fuel pressure drops to 28-37 psi (2.0-2.6 kg/cm2 ).