This Detroit air filter restriction reference documents fault code SPN 107/FMI 0 (Air Filter Restriction High) for Detroit DD-series engines on the GHG14 platform. It reproduces the original TruckFaultCodes.com fault tree, from the first check through the final repair, so the code can be confirmed and worked in the exact order the factory intended. Each step lists the measured value or check and the pass or fail branch that follows, matching the layout used in the source document.
Detroit air filter restriction troubleshooting overview
The GHG14 sheet begins with an air-cleaner restriction check, clears companion codes, then runs a pressure check and visual inspection covering plugged inlet filters, charge-air-cooler leaks or restriction, a leaking or plugged intake manifold and exhaust leaks or plugging. If nothing is found it directs logging the pressure tests and contacting the Customer Support Center. Follow the checks in sequence and verify the repair before clearing the code and releasing the vehicle.
Official document details
| Brand | Detroit |
| Model coverage | Detroit DD-series engines on the GHG14 platform |
| System / group | DTCs — intake air filter restriction |
| Fault code | SPN 107/FMI 0 |
| Source publication | TruckFaultCodes.com (© 2017) |
| Pages | 2 |
| File size | 0.2 MB |
| Format | |
| Language | English |
Document table of contents
- Fault code identification — SPN 107/FMI 0
- Air-cleaner restriction check
- Check for additional fault codes
- Pressure check and visual inspection of the intake path
- Charge-air-cooler, intake-manifold and exhaust leak or plug checks
Applicable truck models
It applies to Detroit DD-series engines on the GHG14 platform with OEM-supplied air-intake components. Always cross-check the reading against any companion codes before condemning a component. For the official product and service literature, visit the Detroit Diesel website.
Who needs this Detroit air filter restriction manual
Technicians investigating an intake-restriction warning who need the ordered pressure-test checklist. It is written for shop use as a quick, printable reference to keep beside a diesel diagnostic tool during the job.
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