Question about 2001 Mazda MPV

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Battery light flashes off and on. Is it the battery or altenator?

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I would bet that your serpentine belt is loose which is causing the belt to slip on the pulley of the alternator. If this is the case it will happen more when it is raining and when you accelerate. This would probably be the result of a failed belt tensioner. To test this theory you can just push on the serpentine belt. It should be quite tight. If it isn't this, then I would say that it is your alternator on its last leg. Good Luck.

Posted on Jul 08, 2010

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