Having the usual Mondeo TDCI 2.0 issues. Was fine, then the coil light started flashing, went into limp, had it on a diagnostic it said "blockage between fuel filter fuel pump" so changed to fuel filter under advice. Diagnostics did a injector and pump pressure test both seemed fine all well within their parameters. But the exact same fault is there. Don't want to change the injectors to find out its the pump vice versa,is there any way I can rule one or the other out? Or maybe the IMV? Or lift pump from the tank?