hi ther ive got a 1999 galaxy tdi with the 110 bhp engine code avg .The problem is it keeps losing power ive read a couple of bits on this site and i now its the map sensor in the ecu that is giving faulty readings.i need to now if anyone can tell me wher to get one.main agent waste of time says it comes comlpleat with the ecu can get it fixed for 220 plus vat but its only 3 solderd joints and i cant see 220 in that but you now wot these companys r like .the unit is a bosch unit and ther more hard work than the agents. any help much appr