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Need help on New Turbo not performing

1K views 3 replies 2 participants last post by  witeshark 
#1 ·
Hi Guys
I recently replaced by 320d (2003) E46 turbo. Now the turbo only start performing at about 3rpm and feels like only about 60%. It also has a hissing sound when it gets up there.
I was informed that it is the wastegate valve not opening.Can this be the problem. If so what must i do. Replace it, clean it, or just need some setting (if possible?)
I was said that the wastegate works on a vacuum system driven by the engine. Or so to say the presure from the oil/ oil pump. Can it be that the oil pump is not performing. How do i test this. Manuel presure test, or can it be tested on the PC?
Hope i can get some info from the forum.
Thanks
 
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