fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
10,652 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2016 Hyundai Sonata engine problems

engine problem

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2016 Hyundai Sonata Owner Comments

problem #4

Dec 032016


  • 13,000 miles


ECM issues. Car had ECM problem and lost power. Went into the dealer, and they said they repaired it. Didn't even make it home from the dealer and it happened again. Back to dealer and they said again it was repaired. Car had 10,000 miles on it at the time. Less than 3,000 miles later, it happened again - car completely shut off on the highway. Complete loss of power. Dealer claimed it was the same problem and "fixed" it with a software update. Now scared to drive it - considering lemon law? three problems in 6 months on a brand new car, and same problem every single time.

- Brentwood, CA, USA

problem #3

Nov 102016


  • 19,600 miles
My wife helen drives to work 35 miles each way daily, she started hearing a rattling noise that came from the engine area. The noise persisted for a few days and was observed during her commute to work twice. Husband test drove car as well and comfirmed a rattling noise. Car towed to premier hyndaui 3480 naglee road, tracy, California,95304. Sevice technitian comfirmed in writing vehicle has a non repairable engine, metal extracts were found inside the oil pan and the dealership advised engine is no good and needs to be replaced.

- Brentwood, CA, USA

problem #2

Jul 282016


  • 10,006 miles
Driving into a traffic circle car suddenly stopped then lurched forward making a squealing noise. Again, almost T-boned. The engine light then lit and bluelink posted a message on screen that car has an engine issue and to call dealer. Bluelink roadside assistance took 7 hours to get tow truck to me, dealer would not give loaner car until they received mine - lost a day's work and car laid up 5 days. Exactly one week after emergency brake self engaged and seized wheels while driving.

- Toms River, NJ, USA

problem #1

Jun 092016


  • miles
While driving 65mph at 10pm on a the interstate, I heard a pound "thunk" and thought I had a tire issue, so began to steer toward the emergency lane. I quickly realized I had no power to accelerate, no power steering and the dash was blacked out...car was dead. Only ever thing working was radio, emergency flashers and dome light. Door locks did not even work. Called for roadside assistance and car was towed. I have no further information about the car's disposition as it was a rental. It was terrifying and could have ended catastrophically in serious injury or death. The reason I am filing this report is to insure it will be investigated thoroughly. I did report it to Hyundai.

- Greenville, SC, USA

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