ENGINE (J05E)/TROUBLESHOOTING2–426
DTC: P0301, P0302, P0303 and P0304
EN01H02127030602016068
P0301: #1 Misfire
P0302: #2 Misfire
P0303: #3 Misfire
P0304: #4 Misfire
INFORMATION
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.
Supply pump
Flow damper
Injection
pipe
Common rail
Pressure feeding pipe
Pressure limiter
Overflow pipe
Injector
Through feed pipe
Leakage pipe
Pre fuel filter
Fuel filter
Fuel tank
Overflow
valve
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