System Pressure Test

1. Ensure that fuel delivery rate is within specifications and that fuel filter is not clogged.
2. Ensure that electrical connectors are securely connected.
3. Install pressure gauge with lever in closed position.
4. Start engine and run at idle.
5. Pressure should be 4.7 - 5.4 bar (68-78 psi).
6. If system pressure is not within specifications, check fuel distributor pressure relief valve for damage or contamination.
Note; The system pressure is adjustable by adding or removing shims from the relief valve.
7. If pressure is still not within specifications, replace fuel distributor.