Inlet Air Is Restricted
Use this procedure if the following event code is active. Refer to Troubleshooting, "Event Code List" for the default conditions for these codes.
Show/hide table
| Event Code | ||
|---|---|---|
| Description | Default Conditions which Generate this Code | System Response |
| E172(1) Inlet Air Restriction Warning | The inlet air restriction is above the trip point pressure for the delay time. | The code is logged. |
| E172(2) Inlet Air Restriction Warning | Engine power will be derated. The code is logged. |
|
Probable Causes
- Air filter element
Recommended Actions
Air Filter Element
Check the air intake system for plugged air filters or for damaged air filters. If the engine is equipped with an air intake precleaner, verify the proper operation of the air intake precleaner.
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