Question about 1998 Toyota Corolla

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How do I know my car give correct charging to the battery. It seems that every time my car is in idle all the lightings, fan, headlights is almost dying, but If i will put the RPM to 1200 up everything back to normal. By the way what is the normal RPM of toyota 1998 lovelife at idle.

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It sounds like you have low voltage at idle.

This could be the alternator, voltage regulator, or even the battery. It could also be as simple as connections, but not likely. It could even be a loose or slipping alternator belt, but I think you would have heard some squeeling noise if that were the problem

testing the charging voltage to the battery is pretty simple, and some car parts places will do it for you. I know some autozones will do this for you.

Start with getting your charging voltage tested. Alternator/voltage regulator is the most likely, but a battery that is drawing too much charge current can do this as well.

Posted on Oct 01, 2010

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Posted on Jan 02, 2017

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