SPN 171 - FMI 3 (Fault Code 249)

SPN171 FMI3 Ambient Air Temperature Sensor 1 Circuit - Voltage Above Normal or Shorted to High Source Ambient Air Temperature Sensor Circuit

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SPN 629 - FMI 12 (Fault Code 111)

SPN629 FMI12 Engine Control Module Critical Internal Failure - Bad Intelligent Device or Component Engine Control Module (ECM)

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SPN 612 - FMI 2 (Fault Code 115)

SPN612 FMI2 Engine Magnetic Speed/Position Lost Both of Two Signals - Data Erratic, Intermittent, or Incorrect Engine Camshaft Speed/Po...

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SPN 190 - FMI 10 (Fault Code 121)

SPN190 FMI10 Engine Magnetic Crankshaft Speed/Position Lost One of Two Signals - Abnormal Rate of Change Engine Crankshaft Speed/Positi...

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SPN 102 - FMI 3 (Fault Code 122)

SPN102 FMI3 Intake Manifold 1 Pressure Sensor Circuit - Voltage Above Normal or Shorted to High Source Intake Manifold Pressure Sensor ...

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SPN 102 - FMI 4 (Fault Code 123)

SPN102 FMI4 Intake Manifold 1 Pressure Sensor Circuit - Voltage Below Normal or Shorted to Low Source Intake Manifold Pressure/Temperatu...

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SPN 91 - FMI 3 (Fault Code 131)

SPN91 FMI3 Accelerator Pedal or Lever Position Sensor 1 Circuit - Voltage Above Normal or Shorted to High Source Accelerator Pedal Posi...

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SPN 91 - FMI 4 (Fault Code 132)

SPN91 FMI4 Accelerator Pedal or Lever Position Sensor 1 Circuit - Voltage Below Normal or Shorted to Low Source Accelerator Pedal Posit...

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SPN 974 - FMI 3 (Fault Code 133)

SPN974 FMI3 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit - Voltage Above Normal or Shorted to High Source Remote Acceler...

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SPN 974 - FMI 4 (Fault Code 134)

SPN974 FMI4 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit - Voltage Below Normal or Shorted to Low Source Accelerator Ped...

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SPN 100 - FMI 3 (Fault Code 135)

SPN100 FMI3 Engine Oil Rifle Pressure 1 Sensor Circuit - Voltage Above Normal or Shorted to High Source Engine Oil Pressure Sensor Circ...

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SPN 100 - FMI 4 (Fault Code 141)

SPN100 FMI4 Engine Oil Rifle Pressure 1 Sensor Circuit - Voltage Below Normal or Shorted to Low Source Engine Oil Pressure Sensor Circu...

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SPN 100 - FMI 18 (Fault Code 143)

SPN100 FMI18 Engine Oil Rifle Pressure - Data Valid But Below Normal Operating Range - Moderately Severe Level Engine Oil Rifle Pressur...

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SPN 110 - FMI 3 (Fault Code 144)

SPN110 FMI3 Engine Coolant Temperature 1 Sensor Circuit - Voltage Above Normal or Shorted to High Source Engine Coolant Temperature Sen...

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SPN 110 - FMI 4 (Fault Code 145)

SPN110 FMI4 Engine Coolant Temperature 1 Sensor Circuit - Voltage Below Normal or Shorted to Low Source Engine Coolant Temperature Sens...

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SPN 91 - FMI 1 (Fault Code 147)

SPN91 FMI1 Accelerator Pedal or Lever Position 1 Sensor Circuit Frequency - Data Valid But Below Normal Operating Range - Most Severe Level...

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SPN 91 - FMI 0 (Fault Code 148)

SPN91 FMI0 Accelerator Pedal or Lever Position Sensor 1 - Data Valid But Above Normal Operating Range - Most Severe Level Frequency Thr...

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SPN 105 - FMI 3 (Fault Code 153)

SPN105 FMI3 Intake Manifold 1 Temperature Sensor Circuit - Voltage Above Normal or Shorted to High Source Intake Manifold Pressure/Temp...

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SPN 105 - FMI 4 (Fault Code 154)

SPN105 FMI4 Intake Manifold 1 Temperature Sensor Circuit - Voltage Below Normal or Shorted to Low Source Intake Manifold Pressure/Tempe...

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SPN 105 - FMI 0 (Fault Code 155)

SPN105 FMI0 Intake Manifold 1 Temperature - Data Valid But Above Normal Operating Range - Most Severe Level Intake Manifold Pressure/Te...

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