20 Most Recent 2005 Hyundai Sonata - Page 2 Questions & Answers

hissing noise could be an air intake leak , check all air intake ducting for any holes,cracks etc, have you had the OBD codes read ? this would point out any possible faultly parts

at 60 F it is starting to get close to freezing as brake fluid is hygroscopic ( absorbs water from the air) it is very possible that the brake fluid is starting to get too thick to move in the brake lines from the water content in the fluid I would be flushing out the entire brake system and replacing the fluid from a new unopened container of brake fluid ensure that the cap seal on the reservoir is in good condition discuss this prospect with your brake people especially if it is some time since the fluid was replaced

Have someone push down on the hood over the hood latch area while you pull the release, that may work. Once it is open lube everything up with white Lithium grease also known as "LUBRIPLATE:"

No that is not the problem Have you run a fault code test yet, do that.

Listen to see if the fuel pump kicks in, if it doesn't your problem lies there.

First have the battery tested and check the battery cables for corrosion and other damage.

Locks working on their own is most likely the BCM. Other things could be the range selector switch or a bad wire. Corrosion at the plugs also cause this. Just does't happen to Hyundai's.

Could be like a Toyota and have a "pack" that controls the head lights. Toyota does not have these for sale to the public but will replace them for you. Hopefully if the "pack" is what is wrong Hyundai has them available for sale to customers. On Toyotas t they are expensive just for the parts. Add the labor and I could fly from coast to coast and back for the price of having them replaced.

Found this info for 2.7L

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