P0304 код неисправности. Диагностика кодов неисправностей двигателя Н4М.

P0304 код неисправности. Диагностика кодов неисправностей двигателя Н4М.

• Принятые сокращения.
• Диагностика кодов неисправностей двигателя Н4М.

P0304

Обнаружены пропуски воспламенения – цилиндр 4.

DTC 0304h – Cylinder 4 Misfire Detected.

Fault Type	Description		ABC Type
F8h	Catalyst Destructive		Vbx_cf
66h	More Transitions than a Specified Number		Vbx_cf
Detection Conditions for Bit 4 (readiness)
F8h	550 rpm < engine speed < 4500 rpm AND coolant temperature > -8 ºC AND no DTC present linked to injection system
66h	550 rpm < engine speed < 4500 rpm AND coolant temperature > -8 ºC AND no DTC present linked to injection system
Detection Conditions for Bit 0 (test failed)		Detection timing	Resorption Timing
F8h	Abnormal number of torque diminutions on cylinder 4	20s	20s
66h	Abnormal torque diminution on cylinder 4	10 min	10 min

Specific Snapshot:

$281B – Fuel low level:

$2841 – Misfire counter – cylinder 1;

$2842 – Misfire counter – cylinder 2;

$2843 – Misfire counter – cylinder 3;

$2844 – Misfire counter – cylinder 4.

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