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Hyundai Genesis repairs by problem area

Engine (14%)

Transmission and Drivetrain (5%)

Brakes and Traction Control (3%)

Suspension and Steering (5%)

Electrical and Air Conditioning (54%)

Paint, Rust, Leaks, Rattles, and Trim (12%)

Other (8%)

Chart based on 855 repairs.

Hyundai Genesis engine repair cost distribution

$2500+ (15%)

$1000 - $2499 (0%)

$500 - $999 (8%)

$100 - $499 (23%)

< $100 (54%)

Chart based on 13 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2015 Hyundai Genesis 4dr Sedan

420-horsepower 5.0L V8 8-speed shiftable automatic RWD

1700 mi Exhaust sensor failure 
13000 mi Thermostat failure 

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2015 Hyundai Genesis 4dr Sedan

311-horsepower 3.8L V6 8-speed shiftable automatic AWD

3000 mi Mounting arm on Intake Resonator was broken where it mounts to the intake manifold. It is out of sight under the engine cover & went unnoticed until it tilted downward. Removal of the cover revealed the break. Probably broken from factory. 

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2013 Hyundai Genesis 4dr Sedan

429-horsepower 5.0L V8 8-speed shiftable automatic RWD

20000 mi GDI pump replaced for noise concern 
5000 mi

US $50
Took car in for oil/filter change. Check Engine light also went on a few days before service. Fault log showed codes P2097 & P2099. They told me that my K&N air filter was too restrictive and caused the problem. Replaced w/OEM air filter. 
5300 mi Check Engine light came on. Fault log showed trouble codes P2097 & P2099. They replaced both O2 sensors. 

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2013 Hyundai Genesis 4dr Sedan

333-horsepower 3.8L V6 8-speed shiftable automatic RWD

27000 mi Three times experienced my Hyundai Genesis (2013) stalling while driving. first the dealer replaced a part. the last two times another dealer found no problem. 
42000 mi Difficulty in filling gas tank. Faulty vent valve? 
45000 mi Problem with gas tank being very difficult to fill. Also squeak in passenger door. Dealer did not charge for attempted repair - which was not successful. 

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2012 Hyundai Genesis 4dr Sedan

429-horsepower 5.0L V8 8-speed shiftable automatic RWD

32000 mi Engine replaced, burning 2 quarts/1000 miles. Hyundai replaced engine 
38000 mi Engine cover was not sealed. I was leaking oil, Fixed under warranty 
18500 mi Engine consuming oil. ~1 QT per 2000 miles. Dealership is currenty performing an oil consumption test and advised me to use 5W/30 oil as opposed to the the recommended 5W/ 20 
5000 mi Very strong fuel smell in garage during hot weather. No other vehicles have had this issue. Dealer unable to duplicate problem. 

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2012 Hyundai Genesis 4dr Sedan

385-horsepower 4.6L V8 8-speed shiftable automatic RWD

32000 mi fuel purge valve causing crappy gas mileage. 
94000 mi Engine light on was cause by the carbon filter in the gas tank fill nozzle, which was replace. This filter deal with recirculation of gas vapors. 

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2012 Hyundai Genesis 4dr Sedan

333-horsepower 3.8L V6 8-speed shiftable automatic RWD

15000 mi The check engine light flashed intermittently. Dealer says problem was caused by use of a automobile radar detector. Dealer disconnected battery and reset auto. 
19000 mi Engine light came on. They replaced the sensor which apparently was a in a tech service bulletin. 
8000 mi unexplained hesitation under some conditions 
5760 mi Engine check light stayed on. Dealer claimed there was a TSB (software upgrade) and that should probably resolve the issue. 
26000 mi Fuel tank causes fuel pump to shut off fueling early. Replaced vent valve. Did not correct problem. Fuel tank causes fuel pump to shut off fueling early. Second trip. "Blew lines out". Problem corrected. 
14000 mi Check engine light came on: emission control system problem. Dealer identified faulty sensor and replaced it under warranty. 
16000 mi Check engine light came on. 
36000 mi From the dealer's report: "Evac vent valve stuck in the close position." Part on order for future installation. 
37300 mi On a previous visit, dealer reported "evac vent valve stuck in the close position." During this visit, dealer replaced faulty valve. 
39060 mi Fuel Tank not venting properly during fill-ups causing constant stops of gas pump. 
18000 mi Emission system. A valve was stuck open and caused a CEL 
49000 mi Gas tank carbon filter 
19405 mi intermittant high idle at cold start,slams into gear, no fault found. 
23353 mi High and rough idle. Not resolve 
24856 mi Dealer has now confirmed rough idle at start up. a misfire on #1 and #3 cylinder. was going to change relay assy but did not. Dealer found contaminated fuel particles. 
32240 mi Continual Problem with Rough Idle, This time they removed the OCV valves and tested them, they seem to test okay but the restance levels were above normal. dealer does not want to replace, suggests removing gas tank and clean 
107000 mi

US $1300
engine light on, dealer diagnosed as bad catalytic converter 

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2011 Hyundai Genesis 4dr Sedan

385-horsepower 4.6L V8 6-speed shiftable automatic RWD

1000 mi In addition, there was a strange sound when the vehicle was cold, but seemed to lessen when warm. Dealer said normal. On my own found that one of the clips on the air box was hanging loose. Fastened it. 
64000 mi The evaporative cable and canister failed. 
79000 mi

US $68
Threw a Check engine code, cylinder misfire. No root cause found. Issue has not recurred. 
29000 mi random misfire--from check engine light 
7440 mi Emission light on 
11000 mi check engine light on. small evap leak. 1st replaced gas cap...not the solution. Replaced line. no problem since 

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2011 Hyundai Genesis 4dr Sedan

290-horsepower 3.8L V6 6-speed shiftable automatic RWD

26000 mi Slight oil leak on lower oil pan 
81000 mi Engine Service Light - replaced multiple sensors 
50000 mi pulley tension arm replaced 
50000 mi Had CVVT Valve replaced. Every morning on a cold start I would hear a harsh metallic, rattling noise for a few seconds. Now it's pretty much cleared up. 

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2010 Hyundai Genesis 4dr Sedan

375-horsepower 4.6L V8 6-speed shiftable automatic RWD

2831 mi The (drive shaft) vibration, reported since June continued. This visit, the drive shaft was replaced...but the vibration continues, though less noticeable. Also had to tighten bolts on steering box. Lubricated window tracks for rattles. 
14000 mi threw an engine code. reprogram fixed it 
39000 mi Ch eck engine light came on Dealer had to flash with firmware update. 
29000 mi Fuel pump not working, replaced, left me stranded in Trader Joe's parking lot. 
40000 mi

US $140
Right muffler rubber hangers failing. Rubber muffler hangers ordered. 
15000 mi Hard starting. Fuel pump replaced under warranty. 
20000 mi Engine misfire 
14000 mi The water pump was replaced The thermostat failed and was replaced. 
15000 mi Engine was misfiring. Car was towed at no expense. Computer was updated with progam, had car back within a day. Car runs fine. 
51000 mi Fuel pump 

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2010 Hyundai Genesis 4dr Sedan

290-horsepower 3.8L V6 6-speed shiftable automatic RWD

17000 mi Car will not start even after the battery has been checked and charged 
12000 mi Throttle body & sensor required replacement. Was covered by warranty 100% 
20000 mi Oil Control Valve failed, check engine light came on. CVVT was not working till repair completed. 2nd engine related issue in 1 yr ownership, and I take excellent care of the car..above and beyond most owners. 
21000 mi Oil control valve failed again after 2 replacements... PCM failure (brain of the car) both replaced under warranty...check engine light on again 400 miles later. 
44000 mi ECM and OCV bad 2nd time on each, replaced under warranty. 
7820 mi Gas cap does not tighten properly. No click. Replaced gas cap. 
6000 mi Genesis 3.8 engine makes a harsh "rock-rock-rock-rock-rock" sound at about 2000 rpm under load. Several people have commented. I have a video on YouTube (search "Hyundai Genesis 3.8 Sound") documenting it. Two dealers--no help. 

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2009 Hyundai Genesis

Engine not specified

116000 mi The engine imploded while driving on the freeway. It threw a rod and blew a hole in the engine block. This car was serviced regularly through a dealership and had just returned from servicing 2 weeks earlier. 

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2009 Hyundai Genesis 4dr Sedan

375-horsepower 4.6L V8 6-speed shiftable automatic RWD

78000 mi Valve spring failure, 4 valves bent 
58000 mi Check engine light came on. Took to shop and they said there was a TSB. Performed TSB and problem went away. 
11000 mi Fuel Pump failed. 
11000 mi Engine started with white smoke and severe noise. Restarted fine. Determined to be a valve problem. Replaced all hydraulic lifters and one valve, new timing chain tensioners. 
15000 mi Leak from Oil Pressure sending unit - minor oil leak 
54500 mi Engine misfires upon start up in cold weather only occasionally. 
57000 mi Engine would periodically run rough after startup and engine light would come on. For 9 months the dealer could not replicate and just cleared the codes. Finally it stayed running rough. Dealer replaced valves & springs on 1&2 and the cam 
64000 mi

US $100
Noisy engine - whining. Idler pulley replaced. Pulley replaced, but still whines. 
74000 mi

US $200
Engine replaced. Short block. I complained about whining noise for 18 months, ever since they replaced a valve (no noise before repair). After we got into the extended warranty, they took the problem seriously. Noisy oil pump, metal in the oil pan. 
3000 mi The check engine light came on due to the gas cap not being tightened. 
7000 mi This is my second trip to the dealer because my check engine light came on. The dealer informed me that it was a TSB or recall on the check engine light and informed me that the problem will be fixed. The dealership fixed the light. Check engine light came back on, and the dealer recognized it, but couldn't find a problem with the car. She said when you have a lot of electronics on a car this will normally happen. 
4000 mi Horrible smell when accelerating hard. Has been present since day one. Dealership won't admit there is a problem. 
3000 mi Check engine light on. Dealer had vehicle for 25 minutes and they had to reprogram ECM. Problem fixed. 
19000 mi Check engine light came on. Diagnostics indicated bad oxygen sensor. Sensor was replaced. 
13000 mi V8 engine knocking; went away after 20 min.; Hyundai field engineers alerted. 
13000 mi Engine check light came on...went to dealer. Reset light, tried to reproduce with no joy. 
28000 mi Oil leak around oil drain plug, gasket replaced. 

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2009 Hyundai Genesis 4dr Sedan

290-horsepower 3.8L V6 6-speed shiftable automatic RWD

1200 mi Oil changed by dealer at no cost to address valve/lifter clattering at startup 
5000 mi Fuel Release switch failed. Also did recall software updates and oil change. 
43000 mi Dealer replaced TPS (throttle position sensor) under warranty. 
7440 mi Speed sensor was cracked and needed to be replaced. 
114680 mi

C $650
Hole in passenger side flexpipe 
11000 mi Shifting was erratic. New software update fixed it. 
15000 mi Transmission shifts poorly. This is a problem on all 3.8 Genesis because Hyundai met fuel mileage standards using the transmission rather than the engine. I'll never buy another one. 
55000 mi on cold start erratic fluctuating idle 
19000 mi Erratic engine idle. The throttle position sensor was replaced. 
25000 mi Engine sensors caused engine to not run at idle at start up, RPM fluctated. Eventually check engine light came on after a week 
43400 mi Hi idle sensor not functioning properly and was replaced which corrected the problem. 
31000 mi Car having trouble shifting at low speeds. Reset computer, problem fixed 
39000 mi Trouble with sensor that manages shifting. Strong hesitation at 35-50 mph 
67300 mi

US $250
Car had rough idle at startup. Intermittent engine misfire at cruising speeds. 65,000 miles on car. Replaced throttle position sensor and updated software. 
24000 mi Oxygen sensor failed. Vehicle warning lamp. Occasionally engine stuttered...hesitating when pulling out and accelerating. 
39000 mi Throttle position sensor had failed and was replaced at the dealership under warranty. The car was still driveable, however the acceleration was erratic. 
44250 mi Engine was making a knocking sound at startup. Dealer diagnosed a problem in the bottom end and replaced the engine with a new one, from Hyundai. All work done under warranty. 
35340 mi Noise from what seemed like the accessory belt as well as erratic idle on startup only when ambiant temperature is less than 5 degrees celsius. 
47120 mi Squeeling noise and erratic idle when engine is cold 
49220 mi They replaced the throttle body per Hyundai's direction and that fixed the erratic idle at startup problem. 
53320 mi Squealing noise at start up. They replaced all the serpentine belt idlers including a $350 one that wasn't covered by the warranty. Fortunately for me the dealer picked up the cost. 
69440 mi

C $600
header had rusted out and required replacement. 
6000 mi Odometer and Speedometer off by about 5 mph. Told it is a miscalibration for the 18" wheels and they don't have a fix. 
42000 mi code check revealed problem with mechanisms for handling oil flow in engine. Sensor replaced as well as another part; also sensor for exhaust regulation. 
20740 mi fuel link 
19000 mi Fuel cap not sealing completely c/s engine light on. Replaced fuel cap and cleared code P0442. Performed Evap leak test. No leak present. 
45700 mi Very rough running, ESC and Check Engine lights lit, Fuel injection computer replace 
42700 mi microscopic hole developed in lower radiator hose. no obvious leak. check engine sensor lighted up. Dealer found issue and repaired. No cost to me. Great! 
29000 mi Steering wheel would not go to desired position automatically. Dealer could not fix problem,said it contact factory support and give me a call to return to fix the problem. 
16000 mi Check engine light and ESC light came on and car would not respond to accelerator. Throttle position sensor was replaced under warranty by dealer. 
57000 mi Exhaust - Code P0037 02SHeater Circuit -Low (B1S2) sensor at caytalic converter - Warranty repair 
66960 mi Loss of engine power when driving in hot weather (35+deg.C). Happened twice. First time was able to drive home. 2nd time needed dealer assistance. No obvious cause but they cleaned MAF. No problem since but also hasn't been as hot. 
24500 mi Engine would surge when idling and power would cut out when driving. Drove it to dealer and they replaced faulty fuel sensor. 
24000 mi Engine running enevenly and eventually could not accelerate due to faulty throtle position sensor. "Limped" to dealer and part replaced 

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Hyundai Genesis Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently Hyundai Genesis problems occur, check out our car reliability stats.