So I was just sitting at a light 10 minutes ago and my power steering just went out for no reason. My battery is fine, every other power device is working fine. I drive a 2007 with only 20,000 miles. Any ideas?
Sounds like to me that it either had an air bubble in the pump or it is low on fluid. If neither are the case, I would change the fluid out. Maybe it is too old and weak. 20K might be a lot depending on the environment where you live and drive. No other ideas than that, sorry.
Fluid level is the quickest thing to check so it makes sense to do that first. But it could also be a blown fuse for the power steering pump. I assume there must be a fuse, and probably a pretty big one, 50 amps or more. I have no idea where it would be located though the owner's manual might show it, assuming it is considered a user serviceable part. Of course a blown fuse could indicate the pump/motor is kaput but on a 2007 with 20,000 miles you will hopefully still be covered by warranty.
I can't imagine an electrical circuit without a fuse, circuit breaker or some sort of overload protection. It may not be a user serviceable part though, rather something you would have to have checked at the dealer. It could be built into the pump for all I know.
Or it could just be low fluid. That is much easier to deal with, at least temporarily.
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