Code : Spn 108 Fmi 4

Barometric Pressure Circuit Failed Low

Barometric Pressure Circuit Failed Low: Barometric Pressure Voltage Below Normal, Or Shorted To Low Source; Barometric Pressure Circuit Low Input

Fault Check Min Signal Range Violated For Ambient Air Pressure Sensor

Sensor Error Ambient Air Pressure Signal Range Check Low

Spn 108 Fmi 4 problem code is about Sensor Error Ambient Air Pressure Signal Range Check Low. If you don't take the time to look into Spn 108 Fmi 4 engine problem when it arises, it can add up quickly. One small issue like Spn 108 Fmi 4 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.

To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic.

To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.

During parked regeneration the exhaust gases will be extremely HOT and could cause a fire if directed at combustible materials. The vehicle must be parked outside.

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

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