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So I just cant leave stuff alone... Ive been having problems for months with my engine sucking oil up through the PCV valve, mostly because its sitting in oil and goes directly into the intake so it has alot of vacuum pressure to it. I thought to myself, If i reduce the vacuum pressure behind...

Or any computer tuner for that matter. I keep finding them for the speed 6 or for the 2.3 engine, but not mine! 2004 Mazda 6. NON turbo 3.0 Engine, slapshift auto transmission. I want to be able to read the live data and custom tweak the maps. I know that the Cobb access port is perfect for...

Ill find out at the garage in another day or two, but I had an interesting night with my 2004 Mazda 6s 3.0L As I was driving, the battery light flashed a few times so I turned the AC off. Then a few seconds later, it felt like the car stalled and I noticed all the gauges and lights on my dash...

I do alot of stop light to stop light drags with some people where i live, and i was trying to do some upgrades that might increase my 0-40 times, and other upgrades that would benefit the way the car feels overall. Im a college student, so that tells you my budget already! Im not looking to be...

I was planning on doing what i thought was an easy wiring upgrade, "Big 3" Have a 2004 mazda 6s, and it looks like the alternator doesnt run a 6 or 8 gauge wire to the battery, it looks like it has a wire harness that connects to it... is that true? So how would I replace/upgrade the wire...

http://www.mazdas247.com/forum/showthread.php?t=123763290 This was the first thread i had started trying to figure out what was going wrong with the car. (if you wanted some background info) Lately more has come up. Gas mileage is still bad, getting 15-16 highway now. Had a second dealership...

Just purchased a 2004 6s Wagon with ~58,000 miles. Ill start with some background info. When i first bought it, it shuddered when you gave it throttle to the point of shifting, and the check engine light popped. The dealer replaced a coil and the spark plugs and the car hasnt done it since and...