Rough Idle Due to Broken Vacuum Tee on Mazda Millenia
Problem overview
There are T-shaped vacuum connectors under the intake manifold that can break and cause a rough idle.
23 people reported this problem
7 commentsMazda Millenia vehicles with this problem
8 model years affected
Average mileage: 140,571 miles
(106,000 - 177,000)
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