SOURCE: Mazda 2005 RX-8 wont start... ran yesterday, lights on & sounds
I have a 2004 that had the same problem. It sounds like the engine might be flooded. The best thing to do is to remove the fuse to the fuel pump. It will be listed under the fuse cover under the hood. Mine was a 20 amp but check to be sure. With the fuse removed, crank the engine for a minute to remove any fuel flooding the engine. Replace the fuse and crank the engine in 10 second intervals without touching the gas or you will reflood the engine. This process can sometimes take awhile and will drain your battery, so have it connected to an additional power source ( i.e. another car battery or jump box). When the car finally cranks over there will be a huge cloud of smoke so don't be alarmed when it happens. Lastly some words to the wise. This process CAN ruin your starter, but is essentially the same process that the dealership will you except that they will remove the spark plugs to drain the fuel and then charge you for new ones. If this process doesn't work then you probably need new spark plugs which is going to cost quite a bit. I was quoted upwards of $525 to fix this problem until I talked to a Mazda mechanic and found out how to do this myself. Just make sure that the engine is up to running temperature before turning the car off and you shouldn't encounter this problem again. I hope this helps you, and remember that if all else fails the dealer can fix it. It won't be cheap, but they will get it done.
I almost forgot, you HAVE to get the oil changed as soon as possible because there is probably gas in the oil now.
SOURCE: 2004 Mazda Rx-8 When I was fixing the cable
Make sure to check all fuses under the hood and inside the car. If there was a short then a fuse, fuses or fusible links is shot. Check the big fuses or circuit breakers. Remove them, one at a time and check for continuity with an ohmeter; you can also touch one side to the positve battery pole and test the other side for power with the test light connected to ground. Let me know what you come up with.
SOURCE: mazda rx8 grind from transmission tunnel
That's the "throw out" or "release bearing". If it makes a loud noise you'll have to take it to a shop as the transmission has to be pulled to replace it.
The clutch, pressure plate and release bearing are usually all replaced at one time....
Testimonial: "thanks buddy"
SOURCE: MX5 not charging battery. If i disconnect the
usually cars stall when running and the batterie is removed, indicating a bad alternator.
perhaps your batterie is bad
SOURCE: I have a 2004 mazda rx 8. I went out to crank it
Yes... it sounds like it is or was flooded. One of the list of things I do not like about my RX-8. Fun car to drive, but it has so many little goobers like this flooding problem, the car is not practical.
To unflood, google the procedure for unflooding Mazda RX-8. It takes some battery power, but it does work. In a nutshell, you pull the fuel pump fuse, and crank the engine over intermittantly for a number of times with pauses in between.
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