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2012 Hyundai SONATA Engine Problems, Complaints and Defects

Issue ID	1158606
Internal NHTSA #	10683632
Manufacurer	Hyundai Motor America
Brand	HYUNDAI
Model	SONATA
Model Year	2012
File date	29/12/14
Component	ENGINE
Product type code	VEHICLE
Description of the problem	Without notice/warning, engine started making a metallic knocking/flapping sound with a lot of blue smoke exhaust when rapidly accelerating. Shortly after, engine oil light flickered momentarily. From past experience, i knew to pay attention to this. By the end of the same day, i added almost 5 quarts of oil. I also brought the car to local hyundai dealer for a late afternoon (4:30pm) appointment just before new year's eve. Service advisor mentioned that "by the time the engine oil light comes on you've got less than a quart of oil left". He suggested we bring the car back when they would have more time to work on it. I planned to have 40000-mile service and expected a somewhat expensive repair, so i needed to wait until feb 4, when i would have funds available. I brought the car for service on 2/4, and was told later that day that the engine was damaged and needed replacement. After thorough inspection, with several photos provided to factory, hyundai refused to replace the engine under warranty repair, citing my lack of regular service. I had the car serviced at 15000 miles at the dealership where we bought the vehicle in march, 2012, but did not have any other regular service performed. Dealer (not the purchase dealer) requested hyundai do a "goodwill repair" that would require me to pay $1900 labor, while hyundai would pay for the engine and all fluids (~$4800). Again, hyundai refused. I understand my accountability for overlooking regular service, which is why i agreed to pay the $1900 labor portion of a goodwill repair. However, none of this eliminates the fact that the engine oil warning light did not even flicker until after the engine was totally damaged. By hyundai service advisor admission, there is less than 1 quart of oil left when the warning light activates. What kind of warning indicator only activates after catastrophic damage?
Vehicle Mileage at Failure	39250
Number of Occurences	1
Source of the issue	NHTSA WEB SITE
City and State	FAIR OAKS, CA
VIN pattern	5NPEB4AC7CHXXXXXX
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	0
No. of fatalities	0
Date of purchase	07/08/26
Was original owner?	N
Anti-lock brakes	N
Cruise control	N
Number of cylinders	4
Drive train type	FWD
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:

1HD1GEV162V306735 3AKJHHDR4LSLJ9955 5LM5J7XC6LGL03803 1G1YY22G5Y5100197 JTJUDACXXT4019606 LRW3F7EB3MC220023 UU1K5220361640210 MMAJLKL10LH014559 5NPEB4AC1DH710842 1G1ZD5ST3RF120720 VF1KF26157K565571 1FA6P8CF7N5144360

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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?