My 2006 freelander td4 engine went bang in a big way, conrod out the side of the block, cam shaft snapped etc. Replaced engine with a 2002 freelander td4 complete with wiring looms from breakers, which refuses to start, but will run on easy start. Diagnostics shows that at least 6 engine sensors have faults which will not clear. Do I need to swap wiring loom from original engine or ECU? Any helpful advise would be good.