Weak Airflow From Vents
The AC or heat is on but very little air comes out of the vents, even on high fan. Usually a blockage or a failing blower, not the cooling system.
Find a TechnicianCommon causes
- Clogged cabin air filter
- Weak or failing blower motor
- Blower resistor or speed control fault
- Debris (leaves) blocking the intake
- Collapsed or disconnected vent duct
Frequently asked questions
What's the easiest thing to check first?
A clogged cabin air filter is the most common and cheapest cause — replacing it often restores airflow immediately.
Why is airflow weak only on low settings?
If only some fan speeds work, the blower resistor or speed module is usually the culprit.
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