Code : Spn 3609 Fmi 21

Dpf Inlet Pressure - Drift Low: Diesel Particulate Filter Intake Pressure 1 Data Drifted Low; Mu_isp_p_dpf_in_neg_srl

Dpf Inlet Pressure Sensor Drifted Low In Range Fault (low Box)

Spn 3609 Fmi 21 problem code is about Dpf Inlet Pressure Sensor Drifted Low In Range Fault (low Box). If you don't take the time to look into Spn 3609 Fmi 21 engine problem when it arises, it can add up quickly. One small issue like Spn 3609 Fmi 21 can cause a larger component to become damaged without taking the time to investigate. If you suspect your truck is suffering from one of these issues, look into replacing those small components to save money down the road.

Note: This description represents text descriptions for faults supported by another coding system and does not necessarily comply with SAE J1939. For a specific engine manufacturer's explanation for codes, please consult the engine's technical manual.

SPNFMI Faults and Engine error code check tool. SPN code listing with names and descriptions.

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