Fuel System Pressure Test
NOTE:
For fuel pump circuit testing, see appropriate FUEL SYSTEM test in A-3, NO-START DIAGNOSIS .
- Turn engine off. Disconnect fuel line at inlet to fuel filter assembly. Install low pressure fuel gauge to fuel line.
- Crank or run engine 10-15 seconds. If fuel pressure is not 5.8-8.7 psi (.41-.61 kg/cm2 ), check fuel lines and fuel tank sending unit for restriction. If fuel lines and sending unit are okay, replace fuel pump.