Dtc: P0301, P0302, P0303 And P0304 - Misfire - Hino Motors HINO 155 series Workshop Manual

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DTC: P0301, P0302, P0303 and P0304
P0301: #1 Misfire
P0302: #2 Misfire
P0303: #3 Misfire
P0304: #4 Misfire
INFORMATION
Pressure feeding pipe
Pressure limiter
Overflow
valve
Fuel filter
1. Technical description
• The engine speed main sensor (crankshaft position sensor) monitors the speed of each cylinder.
• For control, it increases or reduces the compensation of the injection quantity of each cylinder to make constant the
speed of each cylinder.
<Description of malfunction>
• If the speed of the #1 cylinder is found abnormal, the DTC P0301 will be detected.
• If the speed of the #2 cylinder is found abnormal, the DTC P0302 will be detected.
• If the speed of the #3 cylinder is found abnormal, the DTC P0303 will be detected.
• If the speed of the #4 cylinder is found abnormal, the DTC P0304 will be detected.
ENGINE (J05E)/TROUBLESHOOTING
Flow damper
Common rail
Pre fuel filter
Injection
pipe
Overflow pipe
Supply pump
EN01H02127030602016068
Injector
Leakage pipe
Through feed pipe
Fuel tank
SHTS021270300391