This code, ECU 000109.18, indicates a moderate deviation of coolant pressure from the desired range. Such a condition can indicate more significant issues like a failing coolant pump, substantial leaks, or blockages in the coolant system.

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Error code ECU 000109.17 is triggered when the coolant pressure is detected slightly below the predefined threshold by the ECU. This slight deviation might suggest early signs of issues within the coolant system, such as minor leaks or beginning stages of pump failure, which could affect engine cooling efficiency if not addressed timely.

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This code, ECU 000109.04, indicates that the coolant pressure signal is out of the normal range low, typically due to a short to ground. This error can result in the sensor transmitting lower than actual pressures to the ECU, possibly leading to inadequate cooling measures.

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ECU 000109.03 is generated when the coolant pressure signal is detected as unusually high, suggesting a short to a 12-volt source within the sensor circuit. This fault can cause the sensor to transmit erroneously high readings, which may mislead the engine control system, affecting its cooling management strategies.

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Error code ECU 000109.01 is raised when coolant pressure within the engine drops significantly below a defined threshold, suggesting a severe leak or failure in the coolant system. Such a low-pressure signal can warn of potential overheating and engine damage if not addressed promptly.

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This code, ECU 000108.07, is triggered when there is a mismatch between the expected and actual signals from the barometric pressure sensor, indicating a malfunction. This discrepancy can lead to improper adjustments in the engine’s operational parameters.

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Error code ECU 000108.02 indicates that the ECU is receiving invalid pressure information from the barometric air pressure sensor. This suggests a fault within the sensor itself, which is integrated within the engine control unit. Faulty readings from this sensor can affect engine performance since accurate barometric pressure data is critical for adjusting the fuel…

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The ECU code 000107.16 indicates that the air cleaner’s pressure differential is moderately high, which means the air filter is significantly dirty. This condition needs timely attention to prevent severe impacts on engine performance.

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ECU 000107.15 is triggered when the air filter’s pressure differential is slightly higher than normal, indicating the air filter is beginning to get dirty. While not critical, this state can progressively impair air intake efficiency if not addressed.

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Error code ECU 000107.00 occurs when the ECU detects that the air cleaner restriction switch (B02) is closed, signifying a restriction in the air filter system. This typically happens due to a clogged or excessively dirty engine air filter or a problem in the circuitry of the air cleaner restriction switch. For Stage II engines,…

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The ECU has detected that the mixed air temperature of the exhaust gas recirculation (EGR) system is moderately above the specified threshold. This condition can gradually degrade engine performance and affect emissions control systems.

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