P0446
Evaporative Emission Control System Vent Control Circuit Malfunction
Affects: Tiggo 4, Tiggo 7
Common Causes
- •Faulty vent valve
- •Wiring issue
- •Clogged vent valve
- •PCM issue
How to Fix
- 1Test vent valve operation
- 2Check wiring
- 3Clean or replace vent valve
Estimated Repair Cost (Australia)
$150 - $500
AUD
*Cost varies by model, location, and service provider. Get multiple quotes.
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