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04 Mazda RX8 Floods easily
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comnavguy
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May 19, 2011, 8:48 AM
Post #1 of 6
(3797 views)
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04 Mazda RX8 Floods easily
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2004 RX8 with 101,000 miles. R&R plugs, wires, all filters, thermostat and new battery. Car is very hard to start and floods easily.
Is there an easy way to dry it out without taking out the plugs and blowing out the excess gas? Sometimes I have to go through this painful process several times.
I need some help with a cure and something to avoid this problem.
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zmame
Veteran
/ Moderator
May 19, 2011, 7:53 PM
Post #2 of 6
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Re: 04 Mazda RX8 Floods easily
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Funny enough been doing alot of research since I bought a RX7 recently. there are several ways to flood a rx7/rx8.
I will arrange them from most common to least
1. running the engine cold then shutting off befor it's at operating temprature. It runs super rich befor it gets to operating temp if you shut it off cold it will flood everytime.
2. Fouled plugs I know in RX7 with 13B they say to only run NGK. \
3. Bad injector. Sometimes the injectors leakdown and fill the rotor with gas.
In the RX8 the easiest way to unflood is hold the pedal to the floor crank for 60 secons (Holding the pedal to the floor shuts off fuel pump). wait 5 mins and re-try to start if it's still flooded repeat the steps again.
If it still wont run then you have to take the plug(s) out and crank then all little 10w oil.
(This post was edited by zmame on May 19, 2011, 7:54 PM)
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comnavguy
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May 20, 2011, 8:34 AM
Post #3 of 6
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Re: 04 Mazda RX8 Floods easily
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Yeeesss, Now I remember NOT to run the car cold for only a few minutes and then turning it off. It had a busted radiator. The owner pulled off the road quickly, stopping in a less than secure location. After I determined the problem, I started and moved the car to a "safer" spot. (I should have pushed it)
And now I remember we had this problem once before with this very car and had to remove and dry the plugs at least twice before it would start.
Thanks for reminding me. I want to shoot myself.
Any LURKERS out there know of an easy way to cure my mess-up?
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zmame
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/ Moderator
May 20, 2011, 8:54 AM
Post #4 of 6
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Re: 04 Mazda RX8 Floods easily
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like mentioned above:
In the RX8 the easiest way to unflood is hold the pedal to the floor crank for 60 secons (Holding the pedal to the floor shuts off fuel pump). wait 5 mins and re-try to start if it's still flooded repeat the steps again.
If it still wont run then you have to take the plug(s) out and crank then add a little 10w oil.
(This post was edited by zmame on May 20, 2011, 8:55 AM)
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comnavguy
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May 22, 2011, 1:41 AM
Post #5 of 6
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Re: 04 Mazda RX8 Floods easily
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It's worse than we thought. It's flooded with antifreeze.
We had just replaced the radiator. We don't know how long this lady drove with a busted radiator, but we do know she drove "some" distance before she pulled off the interstate. As I mentioned previously, I drove the car a very short distance from where she stopped to a more secure location until it was towed.
Now it looks as if it's time for a new head gasket (is that the right term for a rotary engine?) or maybe a new engine???
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zmame
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May 22, 2011, 8:53 AM
Post #6 of 6
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Re: 04 Mazda RX8 Floods easily
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Thats the problem with those engines they are very sensitive to overheating.. probably water seal .. I wouldn't run it anymore incase there is damaged side seals, if side seals are damages you will ruin the rotor housings and sides by running it. The engine will have to be taken apart and inspected.
(This post was edited by zmame on May 22, 2011, 7:45 PM)
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