Having problems with your 1998 Mazda Millenia ?
What should I do if the car has been sitting up 3 years
First change the oil, even in sitting the oil has absorbed moisture, then if you have not emptied the gas fill it with fresh and a conditioner, check tires for cracking, and also all the fluids good luck
Repair Help & Product Troubleshooting for 1998 Mazda Millenia
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