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2012 Hyundai SONATA Engine Problems, Complaints and Defects

Issue ID	1243967
Internal NHTSA #	10808621
Manufacurer	Hyundai Motor America
Brand	HYUNDAI
Model	SONATA
Model Year	2012
File date	20/10/15
Component	ENGINE
Product type code	VEHICLE
Description of the problem	Issues with loud rattle noise coming from engine when accelerating over 40 mph. Called hyundai dealer service dept.& made appt to get inspected. Service rep claimed the mechanic heard no noise, so i had to go drive car with mechanic to identify noise. (noise obviously noticeable) after driving car with mechanic he said the cvts needed to be replaced. I took my recall notice for nhtsa # 15v-568. I asked if this was due to metal debris left in engine they said no. They gave me a rental. Took 2 weeks for cvts to be replaced. About 8 days later after hyundai returning car the noise was back. 3 weeks it got worse, called hyundai dealer, took it back. The service rep. Again claims they dont hear anthing. Have to drive my car again to identify noise to mechanic. Its very frustrating. There still is no solution to rattle noise, recall or have they inspected my car properly for the car issues i am experiencing & reporting to them. The car stalled on my way to drop it off. Rpms increased but car did not accelerate. Let off gas pedal then tried again serveral times finally the car puttered & proceeded. My daughter was in the car with me so it was a scary situation for the both of us. I told the service rep what just happened. Left my car & they gave me rental. I have experienced loud noise from engine since i bought the car new in december 2011. Was told that the car is supposed to be loud & make the rattle noise bc of eco engine. As the years have gone by the car's performance has worsen. It has stalled several times. I dont feel safe. The car only has 45,000 miles. Ive had several issues battery, steerling wheel , radio, etc.. Bad experinces. Ive maintained the car with proper oil changes, reported all issues on file with hyundai service dept . Hyundai needs to take responsibility & fix the problems with their cars & find a remedy to thier engine recall asap. Safety is important.
Vehicle Mileage at Failure	44000
Number of Occurences
Source of the issue	NHTSA WEB SITE
City and State	AUSTIN, TX
VIN pattern	5NPEB4AC9CHXXXXXX
Was vehicle invloved in a crash?	N
Was vehicle involved in a fire?	N
Was incedent reported to police?	N
Was medical attention required?	N
Was part original equipment?
No. of injured persons
No. of fatalities
Date of purchase	07/08/26
Was original owner?	N
Anti-lock brakes	N
Cruise control	N
Number of cylinders
Drive train type
Transmission type
Vehicle speed	40
DoT tire identifier
Tire size
Location of tire code
Type of tire failure code
Was defective tire repaired?
Date of manufacture
Type of child seat code
Type of restraint
Dealer's name
Dealer's telephone number
Dealer's city
Dealer's state code
Dealer's ZIP code

What is Recall?
A recall is when a product is removed from the market or a correction is made to the product because it is either defective or potentially harmful.
What is Failure?
Failure is the state or condition of not meeting a desirable or intended objective, and may be viewed as the opposite of success. Product failure ranges from failure to sell the product to fracture of the product, in the worst cases leading to personal injury, the province of forensic engineering.
What is Defect?
Non-conformance of a car component with the specified requirements, or non-fulfillment of user expectations, including the safety aspects.

Last decoded VIN:

KL1TG5DE5BB162233 1G1YY22G5Y5100197 4S4SLDB60T3006954 WVWZZZAUZJW236906 5851U1622HP006752 WVWZZZ16ZCM097301 JM3KFBDM6J0335188 JF1GDBLH32G038623 1XKWDB9X6WJ769734 1HD1GEV162V306735 1FDXE4FS0HDC50354 3AKJHHDR4LSLJ9955

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2012 Hyundai SONATA Engine Problems, Complaints and Defects, Recalls and Failures

2012 Hyundai SONATA Engine Problems, Complaints and Defects

What is Recall?

What is Failure?

What is Defect?