Car Problem Reports

Mazda Millenia Rough Idle Due to Broken Vacuum Tee

 
Mazda Millenia Problem
11 Reports
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Model Years Affected: 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002

Engines Affected: 2.3L V6 Supercharged, 2.5L V6

Average Mileage: 150,333 mi (130,000 mi - 177,000 mi)

Verified

There are T-shaped vacuum connectors under the intake manifold that can break and cause a rough idle.

  • Visitor, , 2.5L V6, 177,000 mi

    mechanic damaged the intake which have a vaccum leak. need to know how to repaired the vaccum leak and the cost of repair.

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  • yodaddyo, , 2.5L V6, 130,000 mi
     Rookie

    Car was in for service and the next day it began to idle rough. I brought it back into the shop and they identified that the t valve had become cracked and was causing a vacuum leak. The mechanics denied any wrongdoing and so I took the car to another shop to repair the issue. Not saying that they broke it but their ice cold bedside manner didn't provide enough reassurance for me to keep shelling out perfectly good benjamins to suspect mechanics.
    lesson learned.

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  • ollieclaud, , 2.3L V6 Supercharged, 144,000 mi
     Rookie

    the dealer found the problem. Have not been fixed yet. Looking to find the tee connector at local auto parts store.

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