Fuel Fill All 2026 Jeep Grand Cherokee (WL) vehicles must be delivered to the customer with a full tank of...
Jeep technical service bulletin 112647 for 2026 Jeep Grand Cherokee, 2026 Jeep Grand Cherokee L and 2026 Jeep Grand Cherokee 4xe.
- Bulletin number
- 112647 (OTHERDOC_170)
- Component
- Fuel/propulsion system
- Summary
- Fuel Fill All 2026 Jeep Grand Cherokee (WL) vehicles must be delivered to the customer with a full tank of premium gasoline (91 octane or greater) at initial delivery. The use of premium gasoline better supports engine performance during the break-in period (300 miles / 500 km). The reimbursement has been updated to reflect this premium gasoline allotment. Customers should refer to the vehicle Owner Manual for all ongoing fuel recommendations and requirements.
Owners of these vehicles have filed 9 complaints in the fuel system category.
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