I just bought a 2004 Mazda Tribute. 95000 miles. I've no idea what type of oil should I use for the 3.0L engine the Gearbox. Sorry for my English. Thank you

Damaged PCM Wires May Cause Engine Misfires : Mazda ...

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Check Engine Light Due to Engine Misfire on Mazda Tribute. If the engine is misfiring, it may be caused by a damaged wire(s) which connect the fuel injectors to the Powertrain Control Module (PCM). ... With only 69000 miles and no other problems I hate to replace the vehicle ... 2003 Mazda Tribute- 3.0L V6150,285Visitor.
Fuses OK??

personally i would advise staying with the manufacturers recomende oil, maybe go with a fully synthetic version

Don`t be afraid of this,take the car to a shop you can trust and ask them to find the oil leak,it has to be a oil leak the problem on your car.

no, keep using the same oil, never use anything heavier than 10W30W no matter the miles

It used to be every 3 months or 3,000 miles but some manufacturers are suggesting that 5,000 miles is ok. My view is that it does not hurt the motor having more oil changes. I continue to have them done every 3,000 miles myself even if my oil life indicator has not come on. Clean oil is very important to have a engine last for many miles. There are some full synthetic oils that can go for 5,000 or 7,000 miles beteween oil changes but cost alot more than the standard oil.

You can buy an oversized drain plug that will cut new threads. There is no need for replacement of the pan.

Any auto parts store should be able to sell you one.

You either need to add oil or change it if you have driven 3,000 miles

My 2001 was having the same issue. I replaced the PCV valve and it fixed the problem. Total Cost 5.00. It is easily accesable but you may have difficulty finding it. It is located Left Rear Top of engine (Passenger side). Its brass and it screws in. I went online at my library and found diagram at this location. http://content.chiltonsonline.com/Repair/PrintView.aspx.

The 2002, 2003 and 2004 Mazda MPV's all use the same Ford 6 cyl. 3.0 duratec engine. The Ford Escape and Mazda Tribute of those years use the same engine. Therefore if you need an inexpensive engine repair manuel for your 2002 MPV, get the Haynes ($20.00) 2001-2007 Escape/Tribute manuel. Mazda sells the a MPV shop manuel for $180.00. I also own a 2002 Mazda MPV LX. 75k miles.