Question about 2004 Mazda RX-8

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I started the car for 15 second and then shut it off. when tried the following morning it engine would crank but would not start

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If u start an rx8 without letting the engine heat up fully before switching it off then it floods the engine with fuel, a rotary engine problem, ring the dealer and they will be able to sort you out, is costly though... ALWAYS LET THE ENGINE FULLY WARM UP! before switching off!!

also rev the engine to 4000rpm and turn the key with foot still on the throttle when turning the engine off, to prevent flooding

Posted on Jun 28, 2010

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If you start a rotory engine and dont let it warm up before shutiing it down chances are its flooded common problem. the only thing you can do at home is to hold the throttle pedel to the floor( which cuts out the fuel) and crank for 10 sec turn off and try again the biggest problem is people stop cranking when it starts then the car dies again, keep cranking until the car is running for at least 3 seconds.

Posted on Oct 19, 2010

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It just keeps winding and wont start..

Posted on May 17, 2010

  • katrina1405 May 17, 2010

    it just keeps winding and wont start

  • richharpster Jan 23, 2011

    same thing with mine checked all the fuse and read the book i have got a clue what to do next all the dealership said tow it in we will take a look i asked how much $85.00 to test it that dosen't make me feel so good for gods sakes they are mazda they sould now all about what they do and sell so i won't go that way ANY BODY OUT THERE WHO GOT A CLUE FOR THIS THANK R

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Flooding seems to be a common problem with the RX8 engines. The spark plugs are very cold from Mazda (heat 8 leading & heat 9 trailing)

Changing the leading plugs to a warmer heat grade will help with this problem.

I picked up a set of these for £75 delivered after reading this - RX8 spark plug install guide

Hope this helps.

Posted on Mar 06, 2011

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Please a little more info. you started the car for 15 seconds - why did you shut it off? have you had any other problems? An engine cranking but not starting is either missing fuel or spark. The easiest to check is the fuel. Get a can of starting fluid from an auto parts store and have someone spray into the open air filter box while you are trying to start the engine. If it fires then you are not getting fuel and the fuel pump might be the problem. If not then spark is probably missing and you should check plugs wires ditsributor cap and ignition module. if this helps please reply as this helps me keep answering questions here and good luck

Posted on May 02, 2010

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  • katrina1405 May 16, 2010

    I have a rx8 and did the same thing i started it and moved it then went to start it again that night and would not turn over i have put new plugs new leads and a new battery and still will not fire any help plz..

  • Joseph Gargani
    Joseph Gargani May 16, 2010

    when you say it won't turn over you mean nothing happens when you turn the key.

  • katrina1405 May 18, 2010

    Yay got my car started today just flooded took a lot of turning over but is now going again :)

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IDLE SPEED TO LOW.FUEL FILTER STOPPED UP OR FAULTY FUEL PUMP OR INJECTOR.VACUUM LEAK.SCAN THE CAR IT WOULD SAVE YOU TIME AND MONEY.

Posted on May 02, 2010

  • Jonah Oneal Jan 23, 2011

    CHECK FOR SPARK SEE IF SPARK PLUGS FIRING.IF SO YOU HAVE FUEL PROBLEM.IN FUEL PUMP.CHECK FUEL PUMP FUSE AND RELAY.USE CODE SCANNER THAT WHAT YOU WILL KNOW IF YOU HAVE BAD SENSOR IF NOT PROBLEM COULD BE BAD GAS OR MECHANICAL PROBLEM.

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Try replacing the coils, plugs and wires

Posted on Jun 14, 2010

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