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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 DD16 EPA07 (2007-09) Fault Code: SPN 3250 FMI 8 (MCM) Diesel Oxidation Catalyst Outlet Temperature – Signal Spike

NOTE: This fault indicates the Motor Control Module (MCM) has detected an impossible temperature shift on the Diesel Oxidation Catalyst (DOC) outlet temperature sensor. The most likely cause is an intermittent wiring concern.

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

PROBABLE CAUSES:
1. Inspect all connectors upstream of the MCM (DOC outlet temperature, ATD harness 10-pin connector, VIH 31-pin connector, and ECM 120-pin connector).
2. DOC outlet temperature sensor.
3. DPF inlet pressure sensor.
4. DPF inlet pressure sensor connector/harness.
5. DPF outlet pressure sensor.
6. DPF outlet pressure sensor connector/harness.
7. DPF is contaminated with oil or coolant.
8. DOC failure.
9. Intake manifold or charge air cooler failure.
10. Intake manifold pressure sensor.
11. Turbocharger failure.
12. Fuel doser injector valve leaks.
13. Failed cylinder injectors.
14. DPF failure.
15. Perform a stationary regen.

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