So I finally got my Jeep Fixed It was the Crank Shaft Position Sensor. 80 dollars Later. So I was test driving it. And My Rpm Guage Speedometer Oil pressure. All went to zero. Check engine Airbag Can't remember what else. They came on! What is this now? It's back at the Garage Parked. >.< I also want to know Whats the best Valve cover gasket for the XJ. Its a 00 HO. And its slowly leaking oil so i want to get that changed. Along with my Transfers Case Gaskets