Jeep Other Engine Misfire

Our '99 Grand Cherokee Ltd With The 4.7 L V-8 Has Had An Issue With Only Occasional Eratic Idle, And A Fuel Cleansing From The Local Jeep...

Odd Misfire In Cylinder Three Or Four. With Both Spark Plug Wires On I Get A Misfire. If I Pull Number Three Wire No Difference Missing . If...

The Car Runs But Then Shutsdown.the Engine Lost Voltage In The Primary Cicuit That Supplys The Coil And Injectors Then In Afew Minutes It...