nissan primaster/traffic/vivaro all the same cr@p!!!

[tilerman]

well after yet another week of stresssful driving in this pile of sh@te,i have taken it to a diagnostic garage,after the electrical fault light was appearing and power was being lost when illuminated,fault ERG valve,so replaced it ,on my way....still no power from the thing,im having to press clutch in rev the bollox of the thing,slip the clutch to maintain my revs/power.... the strange thing is the engine will free rev when not under load,as soon as i set off the power just seems to die,im at my wits end with this thing!,ive read a couple of posts and replies on here,mentioning the air flow meter?? could this have anything at all to do with it,is it an easy fix for a qualified mechanic,this is the final chapter in the history of this van....new gearbox etc the list is endless with this junk....need 2 more weeks out of it before my vito arrives....please guys any suggestions will be much appreciated on this matter!!!!!

thanks

pete