2003 Hyundai Sonata Hyundai Sonata 2003

We are 103,000+ car owners sharing real-world car information.

Join Us

2003 Hyundai Sonata repairs by problem area

Engine (28%)

Transmission and Drivetrain (0%)

Brakes and Traction Control (3%)

Suspension and Steering (14%)

Electrical and Air Conditioning (45%)

Paint, Rust, Leaks, Rattles, and Trim (7%)

Other (3%)

Chart based on 29 repairs.
See TSBs and recalls for the 2003 Hyundai Sonata.

2003 Hyundai Sonata engine repair cost distribution

$2500+ (0%)

$1000 - $2499 (29%)

$500 - $999 (29%)

$100 - $499 (43%)

< $100 (0%)

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

Chart based on 7 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 Hyundai Sonata

Engine not specified

103000 mi

US $189
cam sensor replaced. car wouldn't start after running and parking for awhile. needs catalytic converter and two sensors according to check engine code. Was told this by another shop over a year ago, but both shops say this is not critical and will be expensive. 

Return to top

2003 Hyundai Sonata 4dr Sedan

170-horsepower 2.7L V6 4-speed shiftable automatic FWD

107000 mi

US $1200
alternator dying due to valve cover gasket leaking oil onto alternator. alternator and valve conver gasket replaced. 

Return to top

2003 Hyundai Sonata 4dr Sedan

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

93000 mi

US $1600
Head job due to broken timing belt. Did not replace timing belt at recommended 60K. 
143000 mi

US $500
Ignition switch failure 
145000 mi

US $425
Car would not start intermittently. Code P0335. Replaced cracked coils. Code reappeared, will require replacement of CPS. 
143000 mi

US $900
Check engine light. Replaced timing belt, water pump, throttle position sensor (code for crank position sensor was incorrect). 
91760 mi

C $145
exhaust leak. replaced defective parts. 

Return to top

See TrueDelta's information for all Sedans
See TrueDelta's information for all Hyundai models.

2003 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 2003 Hyundai Sonata problems occur, check out our car reliability stats.