| 1 | 0 | 3 | 4 | 3 | 4 |
2004 Hyundai Sonata repairs by problem area
Engine (42%)
Transmission and Drivetrain (8%)
Brakes and Traction Control (7%)
Suspension and Steering (14%)
Electrical and Air Conditioning (25%)
Paint, Rust, Leaks, Rattles, and Trim (1%)
Other (1%)
Chart based on 73 repairs.
2004 Hyundai Sonata engine repair cost distribution
$2500+ (0%)
$1000 - $2499 (7%)
$500 - $999 (32%)
$100 - $499 (21%)
< $100 (39%)
Chart based on 28 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2004 Hyundai Sonata
Engine not specified
| 90000 mi US $500 |
Vacuum line rot thru. |
2004 Hyundai Sonata 4dr Sedan
170-horsepower 2.7L V6 4-speed shiftable automatic FWD
| 124000 mi US $350 |
Coil new wires and plugs and some fuses |
| 156000 mi US $116 |
Check engine light, scan code showed both oxygen sensors faulty. replaced both sensors.(sensors 1 on banks 1&2) |
| 178000 mi US $50 |
O2 sensor |
| 195000 mi US $175 |
flex pipe was leaking so they cut it out and welded in a new one. Took it to a custom exhaust shop. It only took 20 minutes. |
| 81000 mi | oil pan leak |
| 90000 mi US $1100 |
Timing belt |
| 120000 mi US $60 |
Both upstream oxygen sensors developed faults, and were replaced. |
| 179000 mi US $235 |
Passenger side fan was replaced for $235 by Craig Radiator |
| 180000 mi US $700 |
Timing belt broke. Belt replaced in addition to water pump |
| 56451 mi | Replace fuel sending unit |
2004 Hyundai Sonata 4dr Sedan
138-horsepower 2.4L I4 5-speed manual FWD
| 98000 mi US $160 |
Timing Belt Slipped...Caused Intake And ExhausT Valves To Be Damaged. No Repair Was Done And Car Was donated |
2004 Hyundai Sonata 4dr Sedan
138-horsepower 2.4L I4 4-speed shiftable automatic FWD
| 112760 mi US $865 |
CAR OVERHEATED AND BLEW A HEAD GASKET |
| 101000 mi | Tighten serpentine belt, replace valve cover gasket, replace battery. |
| 69000 mi US $99 |
Check engine light reading indicates 'Crankshaft Position sensor not working.' |
| 71000 mi US $846 |
Accesory belt not installed properly by Firestone Front Passenger side Engine mount worn out and replaced |
| 108000 mi US $30 |
Car overheating due to faulty thermostat. Replaced thermostat |
| 108800 mi US $520 |
Car was running very rough. Had 2 bad coils replaced in engine. This had been taken to the dealer previously but they did not diagnose the problem. They fixed sensors and not what was causing the sensors to malfunction. |
| 117700 mi US $565 |
Car was using oil. Replaced valve cover gasket, oil pressure switch. |
| 62000 mi | Serpentine belt and tensioner replacement. |
| 69000 mi | CEL for unknown reason. Reset with no ill effects. |
| 82000 mi | CEL on: misfire due to worn or improperly replaced engine seals causing oil and coolant to leak. |
| 67500 mi US $578 |
coils, plugs and wires: $578 |
| 114000 mi | Catalytic converter faulty after having plugs, coils and packs replaced. Thankfully was still under 8y/80k emissions warrantee |
| 102800 mi US $300 |
crankshaft pulley failed |
| 112000 mi US $600 |
valve cover gasket leaked, was replaced exhaust flex pipe broken, repaired |
| 122000 mi US $700 |
fuel filler pipe had rusted through, causing emissions failure. part was ordered, yet to be replaced |
| 141000 mi US $1235 |
Replaced timing and driving belts due to squeak caused by worn belts. Engine hard to start and rough idle. Conducted Fuel Induction Service to include replacing of spark plugs. Rough idle remained following service, although car ran better. Owner diagnosis: Worn engine mount. |
See TrueDelta's information for all Sedans
See TrueDelta's information for all Hyundai models.
