2006 Hyundai Sonata Hyundai Sonata 2006

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2006 Hyundai Sonata repairs by problem area

Engine (24%)

Transmission and Drivetrain (4%)

Brakes and Traction Control (6%)

Suspension and Steering (16%)

Electrical and Air Conditioning (33%)

Paint, Rust, Leaks, Rattles, and Trim (8%)

Other (9%)

Chart based on 402 repairs.
See TSBs and recalls for the 2006 Hyundai Sonata.

2006 Hyundai Sonata engine repair cost distribution

$2500+ (4%)

$1000 - $2499 (1%)

$500 - $999 (11%)

$100 - $499 (29%)

< $100 (55%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 80 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2006 Hyundai Sonata

Engine not specified

75000 mi needed left bank o2 sensor replaced. Also need to check suspension 
76000 mi

US $365
Had issues with check engine light and car stalled out. Dealer diagnosed throttle body bad and owner paid cost of replacement. 
77000 mi Surging remained. New spark plugs end fix. 
60000 mi car currently in garage for the 6th heater core failure and no cause for problem found. Hyundai not addressing this Lemon problem properly. Car is totally unreliable for trips 

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2006 Hyundai Sonata 4dr Sedan

235-horsepower 3.3L V6 5-speed shiftable automatic FWD

34720 mi

C $64500
higher reving,idles rough,sputters. code retrieval,$89.99,fuel supply system $87.00,throttle $302.90,Parts $324.42,labour $246.59,taxes $74.23.Total $645.24 
144500 mi

US $650
Three motor mounts were busted and transmission mount was starting to fail. Replaced all four mounts. 
54700 mi front O2 sensor 
59700 mi rear O2 sensor 
106000 mi

US $300
Replaced spark plugs and cleaned injectors. Latter was preventive. 
39060 mi Throttle Position Failed and vehicle could not be driven. 
99200 mi

C $442
Oil leak, valve cover gaskets replaced. 
33000 mi Engine sometimes loses power under full-throttle acceleration. Check Engine, ABS and ESC lamps lit. ABS and ESP lamps go off after restart, and engine power is restored. Check Engine lamp goes off after multiple restarts. Dealer claims OBD has no codes. 
48200 mi Replaced harmonic balancer. 
77000 mi

US $100
Leaking valve cover. 
181000 mi

US $98
This is the seventh time since April 2010. My Sonata still exhibits the same identical problem with the engine intermittently shutting off without warning. The dealer just reset the ECU. 
37200 mi

C $775
car would not start and flooded itself 
40920 mi

C $453
Vehicle would not start and was flooded. they had to clean plugs and checked the systems. New battery was installed 
127000 mi Valve gasket leaks a bit of oil on to alternator. Mechanic said I don't need to repair at this time. Update: unclear if still leaking when sold, would have had to clean engine to find out. 
54300 mi

US $600
Gasket Leak 
83000 mi

US $350
O2 sensor went bad 
94000 mi I twice tried to get my dealer to deal with the ticking and rattle coming from the engine. 
14200 mi

US $100
Check Engine Light on...replaced 1 Oxygen Sensor. After getting car back, next day, check engine light blinking. Car towed to dealer. Per dealer replaced a second Oxygen Sensor. 
76000 mi

US $466
Harmonic balancer was about to fall off. It was damaged and had to be replaced. 
118100 mi

US $3000
Engine mount 
112000 mi

US $280
The cam position sensor needed to be changed. 
131200 mi

US $125
The key got stuck in the ignition. I had to get a locksmith. 
112000 mi new tensioner pulley thermostat housing replaced. seems after 100,000 miles car is falling apart under normal driving situation. 
28000 mi

US $3000
Timing chain broke & blew the engine; oil changed every 3k ml. Had oil change 5 days before this @ Tarbox Hyundai RI - was told no current problems w/car. Ordered used engine online & had private service station replace it. 
92000 mi

US $458
Charging light kept coming on and when checked was told that the alternator was not charging. The alternator was replaced and the shop advised that leaking oil caused the failure. Gasket still to be replaced to stop oil leak 
81000 mi

US $500
Throttle assembly had bad sensors and had to be replaced. There were two other problems:Brake light switch and air bag sensor. The air bag problem was covered by warranty 
62000 mi

US $600
Left front valve gasket cover brittle and leaking oil into alternator. Discovered when brought in to have spark plugs replaced at 107,000 miles (spark plug removal requires removing the intake manifold) 
118000 mi Car died today without warning while driving . Thought it was alternator, but wasn't that. Crankshaft won't even manually turn. Plenty of oil, battery good. Won't repair or replace engine due to high mileage and cost.Will junk car. 
44100 mi

US $600
Oil leak they had to take engine apart to repair it and reassemble but it was repaired 
50000 mi leak in car; pump replaced engine leak 
50000 mi leak started after shop pulled the engine and then continued after shop pulled the engine again. shop replaced bearing and leak discontinued 
27000 mi Check engine light was comming on also car was bucking and shaking at idle. Two sensors were replaced car seems OK now. 
37000 mi Check engine light on, car runs rough. Dealer cleared code said if it came back they would have to change the coil packs. 
37000 mi Same CEL light comes on dealer refuses to do anything. I contacted BBB and Hyundai"s main office,still waiting. CEL light constantly going on and off also runs very rough. 
40000 mi Cel light on bad coil pack, replaced. Plugs fouled as a result of misfire dealer refuses to do anything about them. Warranty is useless. 
40000 mi bad idler pulley 
88000 mi

US $170
Harmonic balancer was coming apart. Also valve covers were leaking oil. 
17000 mi Timing Chain was making noise when engine started Mechanic knew what the problem was when described. 
123000 mi

US $287
Replace faulty Throttle Position Sensor. 
10000 mi Engine made "tapping lifter" noise on cold starts. Dealer changed timing tensioner per TSB, but it didn't help much. 
25000 mi Motor mount had popped loose. Made a clunking noise on acceleration. Dealer checked it and tightened the mount. Issue has not come back. 
52000 mi Engine belt tensioner pulley replaced 
63000 mi Gasoline engine sounds like diesel, making a clacking sound, when started cold. Lasts for 15 minutes, and is not simple cold start issue. This has been around for the last 4000 miles. My guess is some valve issue, perhaps no proper lubrication.  
64000 mi

US $900
Electronic throttle assembly and related electronics 
77000 mi

US $475
Harmonic balancer replaced. Earlier complained to the Service as 'loose belt', but 'could not reproduce'. 
105000 mi

US $150
leaking valve cover replaced 
19000 mi Dropped a cylinder. Found corrosion on one coil pack causing the misfire. 
24000 mi Engine not as smooth as when new. Engine harder to start than when new. 
15000 mi Trouble code indicated bad oxygen sensor. Tech found it okay. Needed factory computer connection to fix problem. 
59000 mi Leaking front valve cover gasket. Repaired under 100k powertrain warranty. 
41800 mi Valve cover gaskets and oil pan gaskets were leaking oil. 
11000 mi Car emitted a groaning sound when starting up from first gear. The sound was intermittent and occurred only for a few seconds before the car shifted to second gear. There was a TSB issued, but the technician at the dealer said he could hear no sound. 
46000 mi Check engine light came on & stayed on. Brought car to dealership. The service department could find no reason for light to come on & reset system. 
87000 mi

US $300
Replaced bad fuel pump 
2700 mi Hyundai new V6 engine for 2006 had a defect with the timing chain tensor. A service bulletin was issued to resolve the issue under warranty. Dealer opened chain cover section of the engine and installed a newly designed component. 
32000 mi Time chain tensioners 
8000 mi timing chain tensioner replaced as per TSB 
46000 mi

US $35
Both valve cover gaskets replaced gas cap replacement 
10000 mi Timing belt problem 
16000 mi Strange noise after starter engaged..dealer said they were aware of this problem. 
48000 mi Faulty upper radiator hose... previous dealership service department did not correct the problem.. new dealership did. 

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2006 Hyundai Sonata 4dr Sedan

162-horsepower 2.4L I4 4-speed shiftable automatic FWD

42000 mi Catastrophic engine failure, subsequent three additional engine repair related repairs. 
105000 mi

US $1900
cam shaft gear replaced. Also timing chain 
111000 mi Exhaust pipe leak 
86000 mi Leaking oil 
229000 mi Threw a rod. Totalled the car. I gave it to the junk yard. 
24000 mi Gas gauge read inaccurate readings, Gas tank fuel sensor module replaced. 
62000 mi Engine had a hitch, service engine light came on just before arranged service. Engine continued to hitch and the service engine light came on again!!! 
112000 mi

US $164
When trying to start the car it would turn over but not start. After 7-8 attempts I was able to get it going and the engine light turned on. Deposits of carbon and sludge from the PCV system get into the throttle body. Cleaned throttle body. 
149000 mi

US $900
They replaced the manifold. 
76000 mi

US $300
Timing belt issue, except it was not due for a replacement. 
82600 mi

US $400
Had to replace ignition cylinder as the key would often not turn. 
113000 mi

US $530
both oxygen sensors became faulty and had to be replaced 
65100 mi Check engine light came on and disappeared several times, then constantly on. Detected code P2187 myself. Run the car as is and have to find reason. (looked it up - too lean) 
94540 mi New engine code P0455. Not repaired yet for the lack of time. 
119040 mi

C $150
Oil pan rusted through, leaked oil. Change of oil pan 
119840 mi

C $20
Intake manifold gasket changed. Code p2187 cleared. 
125200 mi

C $200
Purge solenoid valve replaced for code p0455 
103540 mi Made a weird noise when started. Caused by the timing belt. Hyundai should have recalled. Expensive to fix out of warranty, so I didn't. 
66000 mi

US $50
Fuel filler overflow was not working correctly. Pump would not shut off when filling car. Replaced fuel line filter/valve assembly. 
72000 mi Oil pan leak, drain plug also replacement of oil pan and gasket.. upon removal found timing cover leak also replaced under 100,000 miles engine warranty. 
63700 mi

US $110
Car taking too long to warm up. Changed thermostat, hopefully takes care of problem. 
120000 mi

US $300
Replace flex pipe. 
53200 mi replaced oil control valve, check engine light on, code P0011 
28000 mi A surge had developed while driving at approx 55mph with the cruise control on. The dealer couldn't duplicate it - so no fix (yeah - I wasn't happy). 

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2006 Hyundai Sonata 4-door

6-cylinder automatic 2WD

20460 mi Low coolant level in expansion tank. 2nd time this has happened. 

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See TrueDelta's information for all Hyundai models.

2006 Hyundai Sonata 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 2006 Hyundai Sonata problems occur, check out our car reliability stats.