The SPN 175 FMI 3 fault code indicates that the engine oil temperature circuit has failed high, meaning the Engine Control Module (ECM) is detecting a higher than expected voltage from the engine oil temperature sensor. This diesel engine fault code suggests an electrical issue within the sensor circuit, which could affect engine performance and reliability. What SPN 175 FMI 3 Means The SPN 175 FM
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The SPN 175 FMI 0 fault code is a diesel engine fault code indicating an oil temperature high warning. This diagnostic trouble code is triggered when the Engine Control Module (ECM) detects that the engine oil temperature has exceeded the specified threshold, potentially leading to engine damage if not addressed.What SPN 175 FMI 0 MeansThe SPN 175 FMI 0 fault code signifies that the ECM has detect
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The SPN 174 FMI 17 fault code is a diesel engine diagnostic trouble code indicating a minimum temperature plausibility error with the fuel temperature sensor. This code suggests that the Engine Control Module (ECM) has detected a temperature reading from the fuel temperature sensor that is lower than expected, which could indicate a sensor fault or an issue with the associated circuitry.What SPN 1
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The SPN 174 FMI 4 fault code is a diesel engine diagnostic trouble code indicating a 'Fuel Temperature Circuit Failed Low' condition. This code is triggered when the Engine Control Module (ECM) detects a lower-than-expected voltage signal from the fuel temperature sensor, suggesting a potential issue in the sensor circuit.What SPN 174 FMI 4 MeansThe SPN 174 FMI 4 fault code signifies a problem wit
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The SPN 174 FMI 3 fault code is a diesel engine fault code indicating that the fuel temperature circuit has failed high. This diagnostic trouble code suggests that the Engine Control Module (ECM) is detecting a higher than expected voltage from the fuel temperature sensor, which could affect engine performance and fuel efficiency.What SPN 174 FMI 3 MeansThe SPN 174 FMI 3 fault code represents a fa
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The SPN 174 FMI 0 fault code is a diesel engine diagnostic trouble code indicating that the fuel temperature before the high-pressure pump is too high. This code is triggered when the Engine Control Module (ECM) detects a fuel temperature reading that exceeds the acceptable threshold, potentially affecting engine performance and efficiency.What SPN 174 FMI 0 MeansThe SPN 174 FMI 0 fault code signi
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The SPN 164 FMI 21 fault code indicates a signal drift (low) condition from the rail pressure sensor in a diesel engine. This diagnostic trouble code suggests that the Engine Control Module (ECM) has detected a discrepancy between the actual fuel rail pressure and the expected value, typically due to a low signal from the sensor.What SPN 164 FMI 21 MeansSPN 164 FMI 21 is a diesel engine fault code
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The SPN 164 FMI 20 fault code indicates a high signal drift detected by the rail pressure sensor in a diesel engine. This diagnostic trouble code suggests that the Engine Control Module (ECM) is receiving a signal from the rail pressure sensor that is outside the expected range, potentially due to sensor malfunction or electrical issues.What SPN 164 FMI 20 MeansThe SPN 164 FMI 20 fault code is rel
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The SPN 164 FMI 15 fault code indicates that the fuel rail pressure is too low in the high-pressure circuit of a diesel engine. This diagnostic trouble code is triggered when the Engine Control Module (ECM) detects that the actual fuel rail pressure is below the expected threshold, which can affect engine performance and efficiency.What SPN 164 FMI 15 MeansThe SPN 164 FMI 15 fault code specificall
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The SPN 164 FMI 5 fault code is a diesel engine diagnostic trouble code indicating that the rail pressure sensor circuit has failed open. This means the Engine Control Module (ECM) is not receiving a signal from the rail pressure sensor, which is crucial for monitoring and adjusting the fuel rail pressure.What SPN 164 FMI 5 MeansSPN 164 FMI 5 represents an electrical issue within the fuel system,
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