My 2004 Toyota Rav4 sometimes getting a low power especially when the AC is turned on while running. What is the cause of this problem and how can I fix it?
Also my dashboard panel indicators are not working properly after turning on the engine, it will show only after 30 mins or longer even the vehicle is running. How can I fix this?
Thank you
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First thing I would do is get the battery tested, especially if it's over 3-4 years old - these newer 12V batteries aren't built like they used to be where one could last 5-6 years or more if the car wasn't bougee inside or German and sensitive to old batteries. You can get it done at most parts stores, or buy a tester for $20-30 (for a good one, $10-20 for a basic B/W screened one) and have it at home. Something like this will be plenty: https://www.amazon.com/MOTOPOWER-MP0515A...
If the battery is good and is not borderline, it's the alternator. Testing that is a bit more complicated (and for the guys/girls with long hair, tie it up with a hair tie!), but you can do it with a multimeter - use a good one, seriously - you don't need a Fluke, but a good Klein with CatIII or IV ratings is a must. See here on how: https://www.batteryequivalents.com/how-t...
I would also check the other pulley points like the one on the A/C compressor and make sure they are not seized. That can drag it down as well.
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