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2017 Hyundai SONATA PLUG-IN HYBRID Engine Problems, Complaints and Defects

Issue ID	1345135
Internal NHTSA #	10938754
Manufacurer	Hyundai Motor America
Brand	HYUNDAI
Model	SONATA PLUG-IN HYBRID
Model Year	2017
File date	10/12/16
Component	ENGINE
Product type code	VEHICLE
Description of the problem	First extended drive of new car, check engine light came on. Took it to dealer for service, was told i had "bad fuel" that they tested a sample and found e85 (ethanol) in it, which is not covered by hyundai new car warranty for plug-in hybrid electric vehicles. I paid $828 to have fuel drained and replaced, fuel injection cleaning, and decarbonizing and throttle body cleaning. Check engine light went away, but turned back on a few days later. Again took it to dealer but they were unable to get it to turn on after i left it, so returned the car to me, no charge. I had only added 87 octane gasoline (per owner's manual recommendation) to my car 3 times prior to the first check engine light episode, at stations that did not sell e85. During subsequent conversation with hyundai rep, was told maybe water was in gas. But engine ran fine and i drove 100 miles after last gas fillup so i suspect there may be a problem with the emissions sensor that manifests as check engine light with random (inaccurate) diagnostic code. I got this car in chicago, but illinois is not a low emissions vehicle state, so the plug-in hybrid is not allocated to hyundai dealers in illinois. The sonata hybrid, however, is sold here but i don't know if it shares the same engine/emissions sensing system as my plug-in hybrid electric. Dealer service did check for obvious things: gas cap, resetting the engine diagnostic chip. I understand the 2016 model phev is substantially the same as my 2017 model, in case similar check engine light issue happened with 2016 cars.
Vehicle Mileage at Failure	1858
Number of Occurences
Source of the issue	NHTSA WEB SITE
City and State	CHICAGO, IL
VIN pattern	KMHE54L21HAXXXXXX
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	0
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:

WBA5V5107KAJ52354 WVGZZZ5NZLW874876 LRWYGCFJXRC466897 1FTFW1EGXGFA01930 3MW5R1J00M8B94831 ZHWUA6ZX9PLA22787 JN8CS1MW9DM173689 SALAG2D46BA557462 1GDJC74649F141985 3B7KF23C82M221208 WBA8C510XGK636278 3VWRK69M14M094710

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2017 Hyundai SONATA PLUG-IN HYBRID Engine Problems, Complaints and Defects, Recalls and Failures

2017 Hyundai SONATA PLUG-IN HYBRID Engine Problems, Complaints and Defects

What is Recall?

What is Failure?

What is Defect?