Is "concentrated injection cleaner" important to the valve and injection system? In my country, the user manual from the MAZDA official recommended 2018 model to use the injection cleaner every 10000km. It's like a 150ml conc. oil put to the fuel tank. Is it important? Some experts say that...

Does anybody know what is the purpose of this plastic pieces under the rear suspension of our cars? A while back I parked on a tight spot, reversed on the side walk and boom! hit it and broke this plastic piece. Thanks! P.S, thanks @hellow for the pic1

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This link was originally posted in the engine forum, but I think it's important enough that I wanted to copy it here. If you begin to experince loss of power or drop in mileage this may be the issue: There?s Nothing Positive About the 2.0L SkyActiv PCV System! | JBR Blog

just a heads up to anyone who is replacing the incandescent lights on the inside (or outside) with LED's... just had service done to replace my CMU cause it was in a bootloop and they're attributing it to the LED kit I have installed burning out the CMU and since it's not factory standard...

I traded in my 2005 Tribute last week for the 2015 i Touring. By far my primary reason for having a car is for my daily commute, about 300mi/week. I knew the 3 would work well for that, since it was small, enjoyable to drive, and had very good MPG. The part I was uncertain about was the...

My gf picked up her 14MY Mazda 3 GT with the 2.0L 2 weeks ago. We will be traveling from Detroit to Milwaukee (~400 mile each way) this weekend. Currently her car has about 300 miles on it. Based on the break in procedure it says not to keep the engine at one constant speed, either slow or...

So tomorrow I am due for an oil change. But really the main problem that I feel is happening is that the car doesn't seem to be driving and feeling as good when I first got it. There is a little rattling when I reverse out and I only have 5000 miles on the car. I really just want the car to be...

Okay so i realize this is my first post but its pretty urgent. I am about to buy some subwoofers and i need to know if they will fit in my trunk of my 2012 touring hatch. Does anyone know what the length of the trunk is so i will be able to figure out if the box is to long. I would measure it...

I do not have an antenna located anywhere on my mazda. I was told that the AM station antenna is in the rear window of the vehicle, but I do not have any sort of fin or any other antenna anywhere else on my car for FM. I have the 2010 2.0L and I get the worst static. Anyone know where it could...

What on earth is more important. I have 35w ddm ballast but bulb seems garabage