Component Tests and General Diagnostics

1. Release fuel pressure.

Fuel Pressure Release

2. Disconnect the negative battery cable.




3. Connect a fuel pressure gauge between the fuel filter and the fuel distributor (Install clamps as shown).
4. Connect the negative battery cable.
5. Start the engine and let it idle.
6. Measure the fuel line pressure after approx. 2 minutes.

Fuel pressure: 210-260 kPa (30-38 psi)




7. Disconnect the vacuum hose from the pressure regulator and measure the fuel line pressure.

Fuel pressure: 260-320 kPa (37-46 psi)

8. If not as specified, replace the pressure regulator.
9. Complete the "AFTER REPAIR PROCEDURE".