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Isuzu US-IDSS 2024 Diagnostic is a comprehensive tool for the effective maintenance and repair of Isuzu vehicles. It integrates advanced diagnostic features to assist technicians in identifying and resolving issues promptly. This system supports a wide range of Isuzu models, ensuring compatibility with both US and Canadian specifications. Its capabilities include vehicle recognition, fault code analysis, and real-time data access to streamline the diagnostic process.
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Detroit DD13 GHG14 (2014-16) Fault Code: SPN 1322 FMI 31 (MCM) Multiple Cylinder Misfire Detected at Idle

The Entry Conditions For This Code Are:
1. Engine speed is above low idle.
2. All cylinders are active, no fault reactions.
3. Engine speed/torque is steady.

This Fault Can Occur Due To The Conditions Listed Below:
1. Cylinder kit failure.
2. Valve train failure.
3. Lash adjustments.
4. Fuel injector.
5. High pressure fuel line (Rail to fuel injector).
6. Debris entering fuel injector (intermittent faults).
7. Fuel quality.

PROBABLE CAUSES:
1. Cylinder kit failure.
2. Valve train failure.
3. Lash adjustments.
4. Fuel injector.
5. High pressure fuel line (rail to fuel injector).
6. Debris entering fuel injector.
7. Fuel quality.

Note: If 1322-31 active, fix that first.

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