My V6 has been lacking performance for sometime now, have changed coil pack, Cat, plugs n leads and Maf, also cleaned out EGR valve and blocked it off, changed fuel and air filters only last year. Changed the MAF 3 times because of fault codes 1st MAF cheapy from ebay, still showing faults, sent back got full refund. 2nd MAF Bosch from motor factors, still showing faults, (after checking out the wiring), got it exchanged no questions asked. Finally at last the 3rd was ok with no faults, but didnt make any difference to performance or lack of it, instead (3 months down the line) I was getting
