2003 Mazda Mazda6 - Maintenance & Specs
The 2003 Mazda Mazda6 belongs to a Mazda Mazda6 lineup that Know Your Ride tracks across 2 model years, from 2003 to 2004. Engine options on record include the 2.3L, 3.0L, 2.3L I4 / 3.0L V6. It is configured as front-wheel drive with a manual 5-spd. This 2003 car is the earliest model year on record for the Mazda Mazda6.
It takes 5W-20 conventional oil, 4.5 qt with a new filter meeting API SN. Fluid specs on file include FL22 coolant, DOT 3 brake fluid, Mazda ATF FZ transmission fluid. Know Your Ride lists 13 scheduled maintenance items for this vehicle, the earliest interval falling at 7,500 miles. Documented torque values include oil drain plug 27 ft-lb, lug nut 80 ft-lb, spark plug 18 ft-lb.
NHTSA complaints for this vehicle cluster around air bags (27), power train (21), engine and engine cooling (16). A representative report reads: "The contact owns a 2003 Mazda Mazda6. The contact stated that while starting the vehicle, the odor of fuel was present inside the cabin of the vehicle. The..." There are 9 safety recalls on record; one covers: Mazda North American Operations (Mazda) is recalling certain model year 2003-2008 Mazda6, 2004-2008 RX-8, and 2006-2007 Mazdaspeed6 vehicles. The....
EPA fuel economy is rated at 22 city / 29 highway MPG, 24 MPG combined. Estimated annual fuel cost is about $1,800.
Quick Specs
| Oil viscosity | 5W-20 |
| Oil type | Conventional |
| Oil capacity (w/ filter) | 4.5 qt |
| OEM oil spec | API SN |
| Oil filter | Fram PH4967 |
| EPA combined | 24 MPG |
| Tire size | 215/55R17 |
| Coolant | FL22 |
| Open recalls on record | 9 |
| Technical service bulletins | 57 |
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.