Inlet Air Is Restricted
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 not clogged. Proceed to Test Step 2. Result: The air filter is clogged. Repair: Clean or replace the air filter. Verify that the problem is resolved. If the problem is not resolved, 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 does not have damage or restrictions. Proceed to Test Step 3. Result: The air inlet piping is damaged or has restrictions. Repair: Repair the piping or replace the piping. Verify that the problem is resolved. If the problem is not resolved, 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 repair eliminated the problem. |
If the procedure did not correct the issue, contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the Dealer Solutions Network (DSN).
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