2014 Hyundai Sonata · symptom sheet
Engine knocking or ticking
- 55owner reports
- 113,000median miles
- $1,000median quote
- 0involved a crash
Newest report May 31, 2026 · checked Oct 2, 2026
55 of the 136 reports of engine failure on the 2014 Sonata describe engine knock.
Part of Engine failure, knocking or rod bearing (136 reports) · also: engine seized
Tick what matches of 55 reports
Engine knock on other Sonata years
Report counts are for each model year on its own, so a newer car has had less time to collect them. Model years with too few reports of it for a sheet: 2019, 2020, 2021, 2022, 2023, 2024.
What got replaced
Owners who name the part that was replaced mention the knock sensor (11 reports), the engine (4 reports) and the rod bearing (4 reports).
Recalls and investigations
2 recalls on the engine cover the 2014 model year. A recall on the same system isn't always the same failure, so read the defect text.
The high pressure fuel pipe that connects to the fuel pump outlet may have been damaged, misaligned, or improperly torqued during the engine replacement procedure, allowing fuel to leak from the pipe.
Machining errors during the engine manufacturing process may cause premature bearing wear within the engine.
All 7 recalls on the 2014 Hyundai Sonata, with the owner complaints on each recalled system
NHTSA investigations into the engine on the Sonata
Loss of motive power. Closed dec 12, 2023.
Engine fires. Closed feb 5, 2024, led to recall 23V-877.
Scope and timeliness. Closed dec 22, 2021, led to recall 17V-226.
What owners paid
8 of the 55 reports quote a price. Each dot is one quote. The middle half runs $800 to $3,000.
When it happens
The middle half of failures fell between 73,000 and 126,000 miles, from the 31 reports that gave a mileage.
Is this a known problem?
The manufacturer has sent NHTSA 2 service bulletins or notices for the 2014 Hyundai Sonata that deal with this problem. Newest first.
Federal rules make a manufacturer send NHTSA a copy of any notice about a defect that goes to more than one dealer or owner. Most of these are service bulletins, the repair instructions manufacturers send to dealers. NHTSA generally leaves safety recall bulletins out of this file, and recalls are listed separately.
Hyundai is conducting a product improvement campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs.
Hyundai has developed a new engine monitoring technology called a Knock Sensor Detection System (KSDS). The technology uses software innovations and leverages existing engine sensors to continuously monitor for symptoms that may precede an engine failure.
What owners wrote
“My engine has a knock and the dealership told me that they would not fix it due to "lack of maintanence" but I tried explaining to them that I was unable to get proof because Oreily and auto zone were unable to get me receipts on old purchases.”
Filed Aug 24, 2025
“Car stalled at 65 mph and went in to limp mode. Knocking noise came from under right side of engine. Car is not drivable at this time. Sounds like a rod thrown and there are metal shaving in oil.”
Filed Jul 23, 2024
“Lost power to vehicle while driving on the freeway, hybrid system warning was displayed as well as several lights to include engine, brake, and skid control. Had the dealer replace the knock sensor, 3 months later the exact same thing happened, in the same way. All the same obd2 codes were pulled both times.”
Filed Sep 2, 2023
“My safety was put at risk because i was driving on the highway and the engine went out on me. The engine is also knocking making a loud sound. I took the car to the dealer and they refused to do the safety recalls.”
Filed Nov 11, 2022
Should you keep driving it?
This page can't tell you that. 0 of 55 reports involved a crash. Owners who file are the ones who had a bad experience, and nobody checks their reports. If the problem affects steering, braking, power or a fire risk, treat it as a safety fault and have it inspected before a long or high-speed drive.
File your own report with NHTSA. Complaint counts are how a problem gets an investigation. How reports land on this sheet.
Guide Paid for this repair before a recall covered it? How recall reimbursement works
Other problems on this car
- Engine stalls or loses power while driving 141 reports
- Check engine light or misfire 65 reports
- Brakes grind, pulse or wear early 56 reports
- Headlights too dim or fail 54 reports
- Tail lights or brake lights fail 52 reports
- Vehicle fire 35 reports
- Battery dies or the car will not start 29 reports
- Airbag warning light or recall 29 reports
- Seat belt or seat problems 27 reports
- Hybrid or EV system warning, loss of power 26 reports