2006 Jeep Wrangler - Maintenance & Specs
The 2006 Jeep Wrangler belongs to a Jeep Wrangler lineup that Know Your Ride tracks across 32 model years, from 1986 to 2026. Engine options on record include the 2.4L, 4.0L, 2.4L I4 / 4.0L V6. It is configured as 4-wheel or all-wheel drive with a manual 6-spd. The 2006 sits mid-run, with both earlier (1986) and later (2026) Wrangler model years also documented.
It takes 5W-30 conventional oil, 6.0 qt with a new filter meeting MS-6395. Fluid specs on file include HOAT coolant, DOT 3 brake fluid, ATF+4 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 20 ft-lb, lug nut 100 ft-lb, spark plug 18 ft-lb.
NHTSA complaints for this vehicle cluster around fuel system, gasoline (350), fuel/propulsion system (114), power train (47). A representative report reads: "The ECU/PCU has developed a failure to control the idle air intake valve due to an unrepairable defect on the computer. IT can shut the engine down without..." There are 3 safety recalls on record; one covers: ...recalling certain model year 2006 Dodge Viper and Jeep Wrangler and Liberty vehicles manufactured July 1, 2005, to July 31, 2006. In the affected....
EPA fuel economy is rated at 16 city / 19 highway MPG, 17 MPG combined. Estimated annual fuel cost is about $2,600.
Quick Specs
| Oil viscosity | 5W-30 |
| Oil type | Conventional |
| Oil capacity (w/ filter) | 6.0 qt |
| OEM oil spec | MS-6395 |
| Oil filter | Fram PH16 |
| EPA combined | 17 MPG |
| Tire size | 245/60R18 |
| Coolant | HOAT |
| Open recalls on record | 3 |
| Technical service bulletins | 7 |
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.