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I have had a problem with my 2017 Mazda 3 starting since I had my battery replaced. It keeps resetting and is sluggish. Is this a computer issue?
Cars have never been more dependent on their electrical systems than they are today. Sometimes, changing a dead battery can lead to the sorts of problems you've noted, and while it could be something more mechanical, there's one thing you can try at home before phoning the mechanic.
Disconnect the battery and leave the car for at least half an hour. Then, reconnect it, start the engine and go for a drive of at least 30 minutes. That will usually be enough to perform what's called a reset and may solve your problems.
If not, you need to have the car scanned at a workshop to see what problems the on-board computer has identified.
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