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.
Resources for the Repair and Maintenance of your 1999 Mazda Millenia
1999 Mazda Millenia
1999 Mazda Millenia Problems
The passages for the Exhaust Gas Recirculation (EGR) system can become restricted or clogged causing the Check Engine Light to illuminate. The EGR valve will need to be inspected and the passages cleaned.
The oil seals on the supercharger can fail and cause excessive oil consumption and bluish gray smoke from the tail pipe. Supercharger replacement is commonly required to correct this concern, this can also be an expensive repair.
There are T-shaped vacuum connectors under the intake manifold that can break and cause a rough idle.
Timing belt replacements can be very expensive on the supercharged models. It is important to be sure the timing belt is replaced at the scheduled interval.
1999 Mazda Millenia Questions and Answers
How do I remove the rear tail light lense on my 1999 Mazda Millenia?
I need to remove valve cover gasket but need to know if i have to go to throtto body and super charger
It feels like my car is not getting enough gas to have power to climb hills and at 70 it goes no faster and jetks
I was driving and the car went dead and I coasted to a stop w/no steering. I tried to restart and it would not make a sound, but I heard like a slow tick from the dash even with the key out the ign...
1999 Mazda Millenia Reviews
Through 130,000 miles, I have only had 1 minor problem -- a seized brake caliper. It's a very dependable and stylish looking car. Even after 11 years, she looks better in appearance than 90% of the other cars. Timeless elegance. The drive train is 4 * as the car will shift abruptly when in slow speeds, like negotiating a parking garage. The suspension as 3 * as the car develops squeaks in the suspension with age. unless you do a $700 link change.
My Millenia S, while not well taken care of by the previous owner, still has turned out to be a good car.