High pressure fuel circuit check
- Make
- Fiat
- Model
- Ducato Factory Service Manual
- Year
- 2002–2006
- Section
- Diesel injection system › High pressure fuel circuit check
HIGH PRESSURE FUEL CIRCUIT CHECK
Disconnect the electrical connections from all the injectors.
Disconnect the fuel recirculation pipes from all the injectors.
Constrict the injector recirculation pipe so that no fuel comes out during the test.
Connect the tester.
Display the "measured diesel pressure" and “engine rpm” in the parameter screen of the “Control unit test” section.
Turn the ignition key to START for 5 seconds and check that the fuel pressure is greater than 300 bar with engine rpm equal to 200 rpm.
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