2004 Pontiac GTO - Maintenance & Specs
The 2004 Pontiac GTO belongs to a Pontiac GTO lineup that Know Your Ride tracks across 3 model years, from 2004 to 2006. Records for this year list a 5.7L engine. It is configured as rear-wheel drive with an automatic 4-spd. This 2004 car is the earliest model year on record for the Pontiac GTO.
It takes 5W-30 full synthetic oil, 4.5 qt with a new filter meeting API SP. Fluid specs on file include Dex-Cool coolant, DOT 3 brake 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 20 ft-lb, lug nut 80 ft-lb, spark plug 18 ft-lb.
Its overall reliability signal is rated "Excellent" based on aggregated complaint and crash data.
EPA fuel economy is rated at 15 city / 20 highway MPG, 17 MPG combined. Estimated annual fuel cost is about $3,400.
Quick Specs
| Oil viscosity | 5W-30 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 4.5 qt |
| OEM oil spec | API SP |
| EPA combined | 17 MPG |
| Coolant | Dex-Cool |
| Technical service bulletins | 97 |
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.