2011 Toyota Camry won't start but I hear a clicking noise when I attempt to start, what's going on?
There's a few possibilities. First, take a volt meter and put it on your battery with the engine off. If you are getting lower than 11.8 volts, it may be time for a new battery. If battery tests fine, I would then remove my cables and clean the battery terminals and grounds. If still not starting, it may be your starter. Have someone hold the key to the ON position like they're starting the car. As they hold the key, you rap on the starter with a hammer. If the car suddenly turns over, it's time to replace the starter. Try these things and post back with results.
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