2008 Pontiac G6 - Maintenance & Specs
The 2008 Pontiac G6 belongs to a Pontiac G6 lineup that Know Your Ride tracks across 5 model years, from 2005 to 2009. Engine options on record include the 2.4L, 3.5L, 3.6L. It is configured as front-wheel drive with an automatic 4-spd. The 2008 sits mid-run, with both earlier (2005) and later (2009) G6 model years also documented.
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 14 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.
NHTSA complaints for this vehicle cluster around steering (324), exterior lighting (86), electrical system,exterior lighting (63). A representative report reads: "The contact owns a 2008 Pontiac G8. The contact stated that while driving approximately 80 mph the cruise disconnected had erroneously deactivated and the..." There are 5 safety recalls on record; one covers: ...ura and model year 2008-2010 Chevrolet Malibu and Pontiac G6 vehicles, equipped with a 4-speed automatic transmission. On these vehicles, the tabs on....
EPA fuel economy is rated at 22 city / 30 highway MPG, 25 MPG combined. Estimated annual fuel cost is about $1,750.
Quick Specs
| Oil viscosity | 5W-30 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 4.5 qt |
| OEM oil spec | API SP |
| EPA combined | 25 MPG |
| Coolant | Dex-Cool |
| Open recalls on record | 5 |
| Technical service bulletins | 93 |
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.