Fuel Pressure Test

Special Tools Required Fuel pressure gauge 07406-0040004 Fuel pressure gauge set 07ZAJ-S5A0100
Fuel hose attachment E
070AJ-SEA0100
NOTE:

- The retainer cannot be reused once it has been removed from the line.
- Refer to the fuel line/quick-connect fitting precaution before disconnecting quick-connect fittings.

1. Relieve the fuel pressure.

1. Disconnect the quick-connect fitting (A). Attach the fuel pressure gauge set and the fuel pressure gauge.

1. Start the engine and let it idle.
   - If the engine starts, go to Step 5 .
   - If the engine does not start, go to Step 4 .

1. Check to see if the fuel pump is running: listen to the fuel filler port with the fuel fill cap removed. The fuel pump should run for 2 seconds when the ignition switch is first turned on.
   - If the pump runs, go to Step 5 .
   - If the pump does not run, do the fuel pump circuit troubleshooting.

1. Read the fuel pressure gauge. The pressure should be 330−380 kPa (3.4−3.9 kgf/cm 2 , 48−55 psi) (ECONO model: 340−390 kPa (3.5−4.0 kgf/cm 2 , 50−57 psi)).
   - If the pressure is OK, the test is complete.
   - If the pressure is out of specification, replace the fuel pressure regulator and the fuel filter, then recheck the fuel pressure.