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04 September, 2025

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Detroit DD13 EPA07 (2007-09) Fault Code: SPN 91 FMI 2 (CPC) Erratic Data

NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. Accelerator pedal assembly.2. Accelerator pedal...

04 September, 2025

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Detroit DD13 EPA07 (2007-09) Fault Code: SPN 91 FMI 3 (CPC) Circuit Failed High

NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. Accelerator pedal assembly.2. Accelerator pedal...

04 September, 2025

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Detroit DD13 EPA07 (2007-09) Fault Code: SPN 91 FMI 4 (CPC) Circuit Failed Low

NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. Accelerator pedal assembly.2. Accelerator pedal...

04 September, 2025

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Detroit DD13 EPA07 (2007-09) Fault Code: SPN 94 FMI 3 (MCM) Fuel Compensation Pressure Sensor Circuit Failed High

NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. If 100-3, 4077-3, and 94-3...

04 September, 2025

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Detroit DD13 EPA07 (2007-09) Fault Code: SPN 94 FMI 4 (MCM) Fuel Compensation Pressure Sensor Circuit Failed Low

PROBABLE CAUSES:1. Drain the fuel filter module by removing the fuel filters or opening the drain valve. Hand tighten the...

04 September, 2025

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Detroit DD13 EPA07 (2007-09) Fault Code: SPN 94 FMI 4 (MCM) Low Side Fuel Pressure Sensor Circuit Failed Low

NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. Low pressure pump outlet (LPPO)...

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