Fuel Pressure Check

Wiring Diagram

System Description
Fuel pressure regulator keeps the fuel pressure applied to injector 290 kPa higher than that in intake manifold at all times.

Steps 1 - 5:

Steps 6 - 10:

Troubleshooting

NOTE: Before using the flow, check to make sure that battery voltage is higher than 11 V. If battery voltage is low, pressure becomes lower than specification even if fuel pump and line are in good condition.