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2.5tdi Power Problem-please Help!

3204 Views 3 Replies 4 Participants Last post by  oleg
Please help!!
Recently we've had an intermittent fault......It's a 2.5TDI Tip, when accelerating the engine will produce less and less power, eventually stopping any acceleration above 3000rpm. If you put your foot down any harder it actually slows down!
You end up not being able to go any faster than 30mph!!
The garage has changed the airflow sensor, (twice to make sure!!), checked numerous other things, solenoid actuator for turbo waste gate but we've still got the problem!
Any ideas!?
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Can someone please tell me what the crankcase breather filter looks like?

Also does a big pipe go from it into the intake manifold. Sorry for being stupid but my car has problems which make this the problem.

A picture or diagram would be fantastic. Thanks
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