cheers for the replies chaps!i have got some of them air con tools at work!think i might buy the tool tho !as i will have to take to pipe off at some stage!

will the pipes from the 4x4 rail reach and fit ok to the metal pipes?as i do not know if the o.e 2wd pipes are routed different?also i presume to check the fuel pressure you simply undo the regulator and put you gauge in the same way as you would a 2wd one(inbetween regulator,rail!)