2006 Hyundai Sonata - Maintenance & Specs
The 2006 Hyundai Sonata belongs to a Hyundai Sonata lineup that Know Your Ride tracks across 25 model years, from 1989 to 2026. Engine options on record include the 2.4L, 3.3L, 2.4L I4 / 3.3L V6. It is configured as front-wheel drive with an automatic 4-spd. The 2006 sits mid-run, with both earlier (1989) and later (2026) Sonata model years also documented.
It takes 5W-20 conventional or synthetic oil, 4.5 qt with a new filter meeting API SN. Fluid specs on file include Long Life coolant, DOT 3 brake fluid, SP-IV transmission fluid. Know Your Ride lists 14 scheduled maintenance items for this vehicle, the earliest interval falling at 7,500 miles. Documented torque values include oil drain plug 26 ft-lb, lug nut 80 ft-lb, spark plug 18 ft-lb.
NHTSA complaints for this vehicle cluster around air bags (307), visibility (144), air bags,seat belts (62). A representative report reads: "The contact owns a 2006 Hyundai Sonata. The contact stated that while driving at an undisclosed speed, the vehicle experienced a loss of automotive power. No..." There are 11 safety recalls on record; one covers: HYUNDAI-KIA IS RECALLING 4,085 REPLACEMENT HEADLAMP ASSEMBLIES SOLD FOR USE ON 2006-2008 SONATA AND AZERA VEHICLES. THESE HEADLAMP ASSEMBLIES MAY NOT....
EPA fuel economy is rated at 21 city / 30 highway MPG, 24 MPG combined. Estimated annual fuel cost is about $1,800.
Quick Specs
| Oil viscosity | 5W-20 |
| Oil type | Conventional or Synthetic |
| Oil capacity (w/ filter) | 4.5 qt |
| OEM oil spec | API SN |
| Oil filter | Bosch 3323 |
| EPA combined | 24 MPG |
| Tire size | 215/55R17 |
| Coolant | Long Life |
| Open recalls on record | 11 |
| Technical service bulletins | 46 |
Common Trouble Codes
- P0300 - Random/Multiple Cylinder Misfire Detected
- P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
- P0171 - System too Lean (Bank 1)
- P0128 - Insufficient Coolant Temperature for Stable Operation
- P0442 - Evaporative Emission Control System Leak Detected (small leak)
- P0455 - Evaporative Emission Control System Leak Detected (gross leak)
- P0700 - Transmission Control System Malfunction
- P0301 - Cylinder 1 Misfire Detected
- U0100 - Lost Communication With ECM/PCM A
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Part of the free Know Your Ride vehicle maintenance reference. Figures are sourced from EPA, NHTSA and manufacturer data and are for general reference - always confirm with your owner's manual.