The SPN 1323 FMI 31 fault code is a diesel engine diagnostic trouble code indicating an issue with the idle smoothness control, specifically a quantity deficit at idle for cylinder #1. This code suggests that the ECM has detected an imbalance in the fuel delivery to cylinder #1, which can affect engine performance and idle quality.What SPN 1323 FMI 31 MeansThe SPN 1323 FMI 31 fault code represents
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The SPN 1323 FMI 10 fault code is a diesel engine diagnostic trouble code indicating that the misfire rate for cylinder #1 has exceeded 5%. This code is triggered when the Engine Control Module (ECM) detects an irregularity in the combustion process of cylinder #1, which can affect engine performance and efficiency.What SPN 1323 FMI 10 MeansThe SPN 1323 FMI 10 fault code signifies that the ECM has
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The SPN 1322 FMI 31 fault code is a diesel engine diagnostic trouble code indicating a multiple cylinder misfire detected at idle. This code is triggered when the Engine Control Module (ECM) identifies irregularities in the combustion process across multiple cylinders, which can affect engine performance and efficiency. What SPN 1322 FMI 31 Means SPN 1322 FMI 31 represents a condition where the EC
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The SPN 1322 FMI 11 fault code indicates a misfire on alternating cylinders in a diesel engine. This diagnostic trouble code (DTC) is triggered when the Engine Control Module (ECM) detects irregular combustion patterns, suggesting issues within the fuel or ignition system. The ECM interprets this condition as a potential threat to engine performance and efficiency. What SPN 1322 FMI 11 Means When
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The SPN 1322 FMI 10 fault code is a diesel engine diagnostic trouble code indicating a simultaneous misfire on multiple cylinders. This code suggests that the Engine Control Module (ECM) has detected irregularities in the combustion process across several cylinders, which can affect engine performance and efficiency.What SPN 1322 FMI 10 MeansWhen the SPN 1322 FMI 10 fault code is triggered, it mea
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The SPN 1243 FMI 14 fault code indicates an issue where the ABS fault restricts automatic gear selection functionality. This diesel engine fault code suggests that the ABS system is not functioning correctly, which in turn affects the transmission control system's ability to select gears automatically. The ECM interprets this as a failure condition that needs immediate attention to ensure proper v
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The SPN 1237 FMI 4 fault code indicates a short circuit to ground in the Stop Engine Override Switch circuit. This diesel engine fault code is triggered when the Engine Control Module (ECM) detects an abnormal electrical condition, suggesting that the wiring or switch is compromised.What SPN 1237 FMI 4 MeansThe SPN 1237 FMI 4 fault code specifically relates to the Stop Engine Override Switch, whic
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The SPN 1172 FMI 21 fault code is a diesel engine diagnostic trouble code indicating that the compressor inlet temperature sensor signal is not plausible. This means the Engine Control Module (ECM) is receiving a signal from the sensor that doesn't align with expected parameters, suggesting a potential issue with the sensor or its circuit. What SPN 1172 FMI 21 Means The SPN 1172 FMI 21 fault code
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The SPN 1172 FMI 4 fault code indicates a problem with the turbocharger compressor inlet temperature circuit, specifically that the signal is reading lower than expected. This diesel engine fault code suggests that the Engine Control Module (ECM) is detecting an abnormal low voltage or resistance in the sensor circuit, which could affect engine performance and efficiency.What SPN 1172 FMI 4 MeansT
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The SPN 1172 FMI 3 fault code is a diesel engine diagnostic trouble code indicating that the turbocharger compressor inlet temperature circuit has failed high. This means the Engine Control Module (ECM) is detecting a higher than expected voltage signal from the compressor inlet temperature sensor, suggesting a potential issue with the sensor or its circuit.
What SPN 1172 FMI 3 Means
SPN 1172 FMI
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