2000 Mazda MPV weird sound

2000 MAZDA MPV
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MANDY01
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2000 Mazda MPV 6 cyl Wheel Drive Type unknown Automatic 130000 miles
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MY 2000 mpv is making a fog horn sound. It usually happens when the weather termperature is cool and stops when I step on the gas to accelerate the car.
Mar 28, 2008 at 12:47 PM
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MERLIN2021
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Check the air filter and the plenum for cracks...
Mar 28, 2008 at 1:26 PM
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MATHDAN
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mine did that too, researched it and found it was a common problem. You need to replace the idle air intake valve. There is actually a Mazda service bulletin regarding this repair that you can probably google.
May 19, 2008 at 12:25 PM
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