i need to know how to tell which sencor has gone i belive ther are three different sencors it is an 03

Roy markie, May 2012

that depends on whats happening. there is a boost temperature sensor, a boost pressure sensor. it may have an air mass, but i doubt it, rare on that model.
more information needed. why do you think its a sensor, if you had it diagnosed, they would have said which one it was surely?

tony, May 2012