Inspection and verification
1. Clarify the customer's complaint by checking if the system is working correctly.
2. Check visually for obvious signs of mechanical or electrical damage.
Visual Inspection Table
Mechanical factors:
- Air filter inlet pipe
- Air filter
- Air filter element
- Air filter outlet pipe
3. If an obvious cause of the problem you identified or described by the client is found, eliminate it before proceeding to further actions (if possible).
4. If the cause of the malfunction is not obvious, check the malfunction and refer to the symptom table
Symptom table
|
State |
Possible Causes |
Action |
|
•Increased intake noise |
• Disconnection of the inlet pipeline of the air filter • Disconnecting the air filter outlet pipe •Cracked or damaged air filter |
•CHECK the quality of the connection of the elements of the intake air distribution and filtration system and the presence of leaks in the system. Install new elements if necessary. CHECK the system is working properly. |
|
• Oil in the air filter |
• Forced crankcase ventilation (PCV) |
• Vehicles with 1.8L/2.0L/1.6L Zetec-E engine. Refer to Section 303-08A / 303-08B for more information. • 1.8L Diesel Vehicles Refer to Section 303-08A / 303-08B for more information. |
|
•Water in the air filter |
• Disconnection of the inlet pipeline of the air filter. •Clogged air filter drain. |
•CHECK the quality of the fastening of the intake pipe of the air filter. Clean the air filter. Check the correct operation of the system. |
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