I purchased a Mazda5 Auto Touring last Saturday. On Thursday, the 5's engine dies while my wife is driving it from the store. She first gets a CEL and then engine starts to sputter. Engine dies in the middle of the street. She is then unable to start the motor. Another commuter helps my wife push the 5 to the side of the road. Wife calls Mazda roadside assistance and 5 gets towed to nearest Mazda dealer. Its already later in the afternoon and techs have gone for the day. Techs take a look at it Friday morning. They are not really sure what to make of it. They contact Mazda USA for technical assistance. At that point, it is determined that it is a bad PCM. Part has to be shipped from SoCal. Dealer gets PCM and replaces module. It does not fix problem. Dealer is again in contact with Mazda for tech assistance. So, in the meantime, my wife is driving a rental car. Servicing dealer and the selling dealer have not encountered this problem before. I hope this is not an omen of things to come with the 5. My previous Mazda was an MPV and was pretty reliable other than an O2 sensor going bad at 65,000 miles.
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