Hyundai Elantra MD/UD: Emission Control System > Crankcase Emission Control System > Repair procedures
Inspection
| 1. |
After disconnecting the vapor hose from the PCV valve, remove
the PCV valve.
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| 2. |
Reconnect the PCV valve to the vapor hose.
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| 3. |
Run the engine at idle, then put a finger over the open end of
the PCV valve and make sure that intake manifold vacuum can be felt.
|
| 4. |
If the vacuum is not felt inspect PCV operation, if operating
correctly clean or replace the vapor hose.
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