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berndswift3

Stilo Battery Discharge Issue

My 2003 Fiat Stilo with a gasoline engine is having significant battery discharge. At 72621 km, I'm seeing an error message in the speedometer, weak flickering lights, and an error code. The battery is weak when starting. I suspect the battery sensor. Has anyone seen this?

Summary of the thread

A 2003 Fiat Stilo is experiencing significant battery discharge, with symptoms including an error message on the speedometer, weak flickering lights, and a weak battery during startup. The suspected cause is a faulty battery sensor, which may be draining the battery even when the car is off. A similar issue was resolved by addressing a faulty sensor, suggesting professional diagnosis and repair might be necessary to fix the problem.

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4 comment(s)

johnklein90

I have a Stilo too, and that sounds awfully familiar. I had almost the exact same symptoms a while back – the flickering lights were a real pain. Did you check the voltage regulator?

berndswift3 (community.author)

Could you tell me more about the issue you experienced and how you resolved it? Any details about the diagnostic process or specific components would be great.

johnklein90

Honestly, I didn't get too deep into it myself. After a bit of troubleshooting that sounds like what you've done, I took it to a workshop. They mentioned something about a faulty sensor draining the battery even when the car was off. Cost me about 315€ all in.

berndswift3 (community.author)

Thanks for sharing your experience. Given the complexity, I'll likely get professional help from a workshop to diagnose it. I hope this fixes the battery failure.

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FIAT

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STILO