2009 Hyundai Sonata Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2009 Hyundai Sonata
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Never overpay. Check prices with our estimator
2009 Hyundai Sonata ProblemsConfirm Latest Software For Transmission Control Module and Correct Fuild For Proper Shift Quailty
Prior to replacing the automatic transmission fluid (to improve shift quality), make sure that the transmission fluid level is correct. Also, make sure the computer that controls the transmission has the most up-to-date adaptive programming information. When servicing these transmissions be sure to use fluid approved by Hyundai.
On the 2.7L V6 and 2.4L 4 Cylinder, a defective exhaust gas recirculation (EGR) switching valve may cause an intermittent rough or unstable idle engine.
If you experience excessive engine noise on startup (after the engine has been turned off for several hours) that lasts for more than five or six seconds, turn off the engine and check that the engine oil level is correct. If the oil level is correct, the noise may be caused by the timing chain tensioner. Hyundai has an improved tensioner to correct this problem.
2009 Hyundai Sonata QuestionsI replaced my starter and now I am having some electrical problems. (2 answers)
Since the starter was replaced the dome and reading lights don't work, the remote key lock doesn't work the clock doesn't work and the TPMS light will not shut off.
We have replaces the fuel canister by the filler neck and the evap valve under the hood and it did not fix the problem
I have a 2009 Hyundai Sonata. It recently acted like it didn't want to start so I took it to be tested at the auto parts store, where I was told that I had a bad battery. Spent $120 on a brand new battery with warranty. Exactly 1 week later I go out to crank the car early in the morning and i...
2009 Hyundai Sonata RecallsRust Concern with Rear Suspension
The rear suspension is the attaching point for the control arms and other rear suspension components. Road salt and water can accumulate in and around the rear crossmember causing it to rust. Excessive rust could cause one or both rear control arms to separate from the crossmember resulting in a sudden change in vehicle handling, increasing the risk of a crash. Dealers will inspect the rear crossmember and repair or replace it as necessary to correct this concern.