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Would a worn turbo cause blue smoke to be emitted from the exhaust both on accelerating and worse when idling on your Audi a4 2.5 v6 tdi?
Wiki User
∙ 12y ago
Looking into the same thing myself at the moment and by most mechanics I've been told that the bearing in the turbo has a top feed for oil and a bottom oil drain, this can get blocked, also there is a filter before the oil gets back to the engine which can get blocked, so check the drain pipe and filter, filter may need replaced, at the minute your turbo could be burning up the oil that should be going back into your engine
Wiki User
∙ 12y ago
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Plugged fuel filter Plugged air filter Restricted exhaust (bad Cat)
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Fuel delivery problems such as a dirty fuel filter, faulty fuel pump, faulty fuel pressure regulator. Restricted exhaust such as a faulty catalytic converter, crushed/bent exhaust pipe.
What would cause your 1996 Taurus to make a light whiring noise while accelerating - cruising but make a winding down- grinding noise when you let off the gas yet sounds normal when idling?
Check the idler pully.
