Question about 2004 Mazda MPV

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Hi, I have a 2004 mazda mpv, and it shuts off every time a make a stop, and cant keep it in idle, have to press brake and accelerator every time I make a stop so that it wont turn off, help!!!

Now its getting worse, when I turn it on I have to accelerate a little so when I shift gear it wont turn off

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  • Jorge Samaniego
    Jorge Samaniego Jan 12, 2013

    did'nt find any vacuum leak in the intake system



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Start with the intake system. sounds like a vacuum leak somewhere.

Posted on Jan 10, 2013


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Posted on Jan 02, 2017

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SOURCE: transmission kicks shifting to second gear

This is a known issue with certain '03 and '04 MPV transmissions; my 2003 had the same problem. There is a Mazda technical service bulletin about this - 05-003/004 (Shift Shock). You need to take the van to a qualified shop and have them flash the transmission control module (TCM) with new firmware.

I had this done. It did not completely fix the problem but it did reduce its occurrence.

Posted on Apr 18, 2009

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SOURCE: 2004 mazda 3 AT with 57,000 miles.Wont accelerate

It sounds to like you my have a fuel delivery problem or timimg belt has slipped.(rubber belts stretchsometimes) I recommend the going to your local parts store and have run a diagnostic . If its the timimg the computer will give a code as well as a fuel code. This free to customers .

Posted on Apr 28, 2009

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SOURCE: rough idle and no acceleration power

Have your catalyctic cinverter check for restriction at a muffler shop.

Posted on Jun 05, 2009

  • 105 Answers

SOURCE: My 2004 Mazda MPV skips upon acceleration, only has 33,400 miles.

could be your torque convertor and if it is experiencing some chatter in the shifting then most likely you need to go to the transmission shop for a shift kit which is inexpensive.

Posted on Jul 26, 2009

  • 743 Answers

SOURCE: The rpm fluctuates at idle

It could be several things...low fuel pressure, a lazy 0 2 sensor, and even an IAC. If there isn't any service engine lights coming on, you will need a qualified tech to do the test since a lazy 0 2 sensor has to be looked at with some type of a volts meter and a scanner has the capability of doing a better job yet since you wouldn't have to get underneath the vehicle. Don't be fooled into thinking that it is just one thing; it could be several depending on the mileage.

Posted on Oct 03, 2009

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