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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.
Isuzu US-IDSS 2024 Diagnostic
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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 2791 FMI 18 (MCM) Smart Remote Actuator 3 (EGR), Learn Span Too Small

DESCRIPTION:
The fault code sets when the motor control module (MCM) detects that the exhaust gas recirculation (EGR) valve position is incorrect.

MONITORED PARAMETER:
EGR position error.

TYPICAL ENABLING CONDITIONS:
Engine running

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
Two seconds

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
None

VERIFICATION:
Engine idle

NOTE: If any other codes are active, fix those first.

PROBABLE CAUSES:
1. EGR delta p sensor.
2. EGR delta p sensor pressure port.
3. EGR delta p sensor harness/connector.
4. Check EGR system for leaks.
5. EGR valve actuator pull rod.
6. EGR valve.
7. Remove the EGR cooler hot pipe, EGR crossover pipe, and delivery pipe for excessive blockage.
8. Air inlet manifold pressure sensor failure.
9. Air inlet manifold pressure sensor harness/connector.
10. Charge air outlet and/or intake manifold temperature sensor and/or wiring.
11. Performed parked regen.

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