Misfires Under Load on Mazda Millenia
Problem overview
Misfires under load (acceleration) can be caused by the valve cover gaskets leaking oil into the spark plug wells shorting the spark plugs to the cylinder head. New spark plug wires will be needed and the valve cover needs to be resealed.
57 people reported this problem
19 commentsMazda Millenia vehicles with this problem
8 model years affected
Average mileage: 143,435 miles
(102 - 230,000)
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