Inspection Procedure: P0300; Inspect The Fuel Pipes - Hino Motors HINO 155 series Workshop Manual

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INSPECTION PROCEDURE: P0300

1

Inspect the fuel pipes

Fuel filter
Pre fuel
filter
Was any failure found?
Repair or replace the faulty part,
go to step 2.
ENGINE (J05E)/TROUBLESHOOTING
1. Check the fuel pipe (high-pressure pipe between the common rail
and injector) and verify that there are no bends, ruptures, or loose
connections in it.
A return line from the fuel filter
Supply pump
Fuel tank
YES
Common rail
Injector
Suction line
Positive pressure line
High pressure line
Return line
NO
Go to step 3.
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