cherokeeforumImage: cherokeeforumFor 1998 Jeep Grand Cherokee Jeep Grand Cherokee The Jeep Grand Cherokee is a range of mid-size SUVs produced by the American manufacturer Jeep. While some other SUVs were manufactured with body-on-frame construction, the Jeep Grand Cherokee has always used a unibody chassis.enpedia4WD 5 MFI Fuel injection Fuel injection is a system for introducing fuel into internal combustion engines, and into automotive engines, in particular. On diesel engines, fuel injection is a necessity, whilst on petrol engines fuel injection is an alternative to the carburetor.enpedia8cyl the Fuel Filter is part of the fuel pressure regulator assembly which is located on the fuel pump module. The fuel pump module is located on top of the fuel tank. Where is the fuel filter on a 1998 jeep grand [Solved] - Fixya Was this helpful?