for future refrece for the drv people where was it and how did you clean it? so when some1 else has this problem they can search for it
 
on the left side of the main block, coming out of the head at the front, connecting to the exhaust manifold at the back. Brass pipe leading to a lump with a circular top. Undo all 8 bolts, take of brass pipe, slide valve off. Spray and wipe with air intake cleaner, repeat until bored. put back together. take car out and thrash 2 f**k