alfredbraun1
Fiat Toro weak battery flickering lights
Summary of the thread
A 2019 Fiat Toro with a diesel engine is experiencing a weak battery and flickering lights, potentially due to a faulty battery sensor. The sensor might not be signaling the alternator to charge the battery correctly. Checking the battery voltage while the engine is running should show around 14 volts; if not, the alternator may not be charging properly. The suggested solution is to have the vehicle checked at a workshop, where the battery sensor was confirmed as the issue and replaced.
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4 comment(s)
alfredbraun1 (community.author)
I haven't checked the voltage while it's running, no. What voltage should I be seeing when the engine is on? And where exactly would I find the battery sensor on a Toro?
robert_silver71
With the engine running, you're looking for around 14 volts. If it's much lower, the alternator isn't charging properly, likely because of that sensor we talked about. The sensor's location can vary, but it’s often attached to the battery or integrated into the alternator itself. Honestly, with those symptoms, I'd get it checked at a workshop. Could save you from bigger problems down the line.
alfredbraun1 (community.author)
Thanks for the advice! I took it to a shop, and you were right, it was the battery sensor. Cost me 315€ to replace. Hopefully, that's the end of it. Appreciate the help!
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FIAT
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TORO
robert_silver71
Sounds like it could be the battery sensor, yeah. Think of it like a thermostat for your battery's charge. If it's faulty, it might not be telling the alternator to charge correctly. Have you checked the battery voltage when the engine is running? What's it reading?