Selection Of Engine Oil For Flexible Fuel Vehicles (E-85) And Gasoline Vehicles

Jeep Grand Cherokee / Jeep Grand Cherokee Owners Manual / Starting and operating / Flexible Fuel (3.6L Engine Only) — If Equipped / Selection Of Engine Oil For Flexible Fuel Vehicles (E-85) And Gasoline Vehicles

FFV vehicles operated on E-85 require specially formulated engine oils. These special requirements are included in MOPAR engine oils, and in equivalent oils meeting Chrysler Specification MS-6395. The manufacturer requires engine oils that are API Certified and meet the requirements of Material Standard MS-6395. MS-6395 contains additional requirements, developed during extensive fleet testing, to provide additional protection to Chrysler Group LLC engines. Use MOPAR or an equivalent oil meeting the specification MS-6395.

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    American Petroleum Institute (API) Engine Oil Identification Symbol
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