luisanacht1

Altima electrical issues

I'm having some weird electrical issues with my 2007 Nissan Altima (gasoline engine). It's got about 78k kilometers on it. Lately, it's been starting really poorly, almost like the battery is super weak. I've also noticed various systems acting up – the lights flicker sometimes, and I even had the radio cut out the other day. I tried testing the battery voltage, and it seems low, but I'm not sure if it's just a bad battery or something more. Any ideas?

A 2007 Nissan Altima is experiencing electrical issues, including poor starting, flickering lights, and a radio that cuts out. The battery voltage appears low, raising concerns about whether the problem is a bad battery or something more complex. Suggestions include checking the charging system, particularly the alternator, and considering a parasitic draw. Ultimately, the issue was resolved by replacing a heavily discharged battery and verifying the charging system's functionality at a workshop.

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4 comment(s)

Sounds familiar. I had similar issues with my old BMW after it sat for a while. Turned out the battery was heavily discharged. Check your charging system. Could be an alternator issue, or a parasitic draw somewhere.

Interesting, thanks! When you say charging system, what exactly should I be looking for? Is there a way to easily check the alternator output? I am not very experienced with car electrics, so any pointers would be greatly appreciated!

I didn't do any heavy troubleshooting myself. I just checked the battery terminals were clean. After that I brought it to a mechanic. It's likely a defective battery if it's old, but they can properly diagnose the charging system to be sure. Best to get it checked before you start replacing parts randomly.

Thanks for the advice! I took it to a workshop, and you were right – it was a heavily discharged battery. They replaced it, checked the charging system, and everything seems good now. Cost me about 290€.

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NISSAN

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ALTIMA