Inlet Air Is Restricted
Use this procedure to troubleshoot a high differential pressure for the air inlet system. Use this procedure if one of the following event codes are active. Refer to Troubleshooting, "Event Codes" for information about event codes. Access the engine monitoring system on the electronic service tool to view the current trip points for these codes. For information on the engine monitoring system, refer to Troubleshooting, "Engine Monitoring System".
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| Diagnostic Trouble Codes for Inlet Air Is Restricted | |||
|---|---|---|---|
| J1939 Code | CDL Code | Code Description
(Code descriptions may vary) |
Comments |
| 107-15 | E583(1) | Engine Air Filter 1 Differential Pressure : High - least severe (1) | The air filter differential pressure is above the trip point pressure for the delay time.
The code is logged. |
| 107-16 | E583(2) | Engine Air Filter 1 Differential Pressure : High - moderate severity (2) | The air filter differential pressure is above the trip point pressure for the delay time.
The code is logged. The engine power is derated. |
Complete the procedure in the order in which the steps are listed.
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| Troubleshooting Test Steps | Values | Results |
|---|---|---|
1. Check the Air Filter Element A. 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. |
Plugged air filter |
Result: The air filter is clogged. Repair: Clean or replace the air filter. Verify that the problem is resolved. Result: The air filter is not clogged. Proceed to Test Step 2. |
2. Check the Air Inlet Piping A. Check the air inlet piping for damage or restrictions. |
Damaged air inlet piping |
Result: The air inlet piping is damaged or has restrictions. Repair: Repair the piping or replace the piping. Verify that the problem is resolved. Result: The air inlet piping does not have damage or restrictions. Proceed to Test Step 3. |
3. Check the Enclosure Ventilation A. Check that the engine has been installed in an enclosure that is sufficiently ventilated. |
Enclosure ventilation |
Result: The engine does not have sufficient ventilation. Repair: Repair the ventilation for the enclosure. Verify that the fault is resolved. Result: The engine has sufficient ventilation. Contact the Dealer Solutions Network (DSN). |
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