2009-2010 Jeep Grand Cherokee with 6.1L Engine
For stock or mildly modified vehicles. Fuel and timing curves are modified for optimal performance and mileage using less expensive, lower octane fuels. Programming is designed to burn fuel at peak efficiency, which results in improved performance and mileage. Daily drivers can use lower cost regular fuel for potential mileage gains, but for optimal performance gains use of mid-grade or better is recommended.
2009 and 2010
|2009-2010||Jeep||Grand Cherokee WK|