WinterUte
Seeking Advice on Troubleshooting Weak Battery and Dimming Lights Issue in 2007 Mazda MPV
Summary of the thread
The conversation revolves around troubleshooting a weak battery and dimming lights issue in a 2007 Mazda MPV. The initial concern is a potentially severely discharged battery. A suggestion is made to check the battery sensor, as a similar issue in another Mazda model was resolved by replacing a defective sensor. It is also recommended to have a full diagnostic at a workshop to rule out other potential issues, such as a faulty alternator. Additionally, having a portable jump starter is advised as a precautionary measure.
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4 comment(s)
WinterUte (community.author)
Hey! I appreciate the advice. Now that you've mentioned it, I don't recall getting the battery sensor checked in my last service. My MPV's clocked around 224788 KM so far. It's definitely a possibility that the sensor isn't doing its job properly. I'll take it to the workshop and have them do a full diagnostic like you suggested. I'd rather get it sorted now than have the battery conk out completely in the middle of nowhere. Thanks again.
FritzWag91
No worries. Always glad to help. I totally get you about not wanting it to die in the middle of nowhere - I've been there, and it's far from fun. A good move, taking it to the workshop. They'll most likely check the battery sensor and the alternator as well, since those flickering lights can sometimes indicate a faulty alternator. Something else to keep in mind, it's not a bad idea to have a portable jump starter ready in your boot. Got one after my "middle of nowhere" experience, and it's given me a little peace of mind. Good luck with the checkup, and hope your MPV gets back to its old self soon!
WinterUte (community.author)
Thanks for the supporting words and the heads up about the portable jump starter! Sure thing, I'll consider grabbing one. It sounds like a pretty necessary backup to have. Appreciate all the info you've shared. Next time I'm dealing with an auto conundrum, I know who to reach out to! Catch you next time! Safe driving!
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MAZDA
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MPV
FritzWag91
Hey there, I've had some experience with similar issues. I own a Mazda CX-7, a 2005 model, so pretty close to yours. I consider myself with some experience in car stuff, at least enough to trouble spot and to know when to take it to the professionals. Here's what happened: I had the same suspicion, my car was showing signs of a dying battery and I took it to my local workshop. They did a full diagnostic and it turned out to be the battery sensor that was defective, not the actual battery itself. Cost me around 315 Euro to replace the sensor and my ride has been smooth since. You could be facing the same issue, but I'd recommend taking it in for a check-up just to be sure. Do you know if you've had your battery sensor checked or replaced recently?