Question about 2004 Mazda MPV

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I took my 2004 MPV to auto zone and they said the there was a misfire on cylinder4. The Van start and runs fine for a little bit then it starts to mis everyones in a while. How hard is it to change the spark plug and ingtion coil and where is cylinder 4 located?

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  • mtsidlg Jul 31, 2009

    the information was very helpful thank you

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  • Mazda Master
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When standing in front of the vehicle, #4 cylinder is on the left front of the engine.
The coil pack is not difficult to replace, but before you do, replace the spark plug first. You can also use a spray water bottle and spray the coil and spark plug wires while the engine is running and see if you get a spark jump. If you do, you may have a leaking ( worn out ) plug wire or coil tower.
Here is a diagram for the engine and the cylinder and coil numbers.

There seems to be a problem with the attachment feature on the site, I will resend on seperate response.

Posted on Jul 31, 2009

  • Bruce Bracey
    Bruce Bracey Jul 31, 2009


    It seems to have worked this time.

    Good luck, let me know.

    Regards,

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