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Isuzu E-IDSS 2023 Diagnostic Software is designed for efficient diagnostics and repairs of Isuzu heavy machinery and trucks. It combines advanced technology with user-friendly features to facilitate accurate troubleshooting. The software supports a wide range of Isuzu models and enhances the repair process. Installation is straightforward and can be performed remotely via TeamViewer, ensuring quick setup for technicians.
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Detroit DD16 EPA07 (2007-09) Fault Code: SPN 3480 FMI 1 (MCM) Hydrocarbon Doser Fuel Supply Pressure Abnormal

DESCRIPTION:
This code sets when the motor control module (MCM) detects that the fuel compensation pressure is lower that 358 kPa (52 psi) for GEN1 and 399 kPa (58 psi) for GEN2 for 10 minutes when dosing is enabled.

MONITORED PARAMETER:
Hydrocarbon (HC) doser fuel line pressure sensor.

TYPICAL ENABLING CONDITIONS:
Dosing enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
1. Ten minutes for parked regeneration.
2. One minute during driving regeneration.

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
Derate 10%

VERIFICATION:
Parked regeneration

NOTE: If 3480-14 active, fix those first.

PROBABLE CAUSES:
1. HC doser or fuel doser injector valve fuel lines are blocked or leaking.
2. Low pressure fuel out of spec (10-65 psi).
3. Fuel compensation pressure sensor.
4. Perform parked regen.

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