Quote:
Originally Posted by Mike Noc
No the PCV vents off excess crank pressure to the inlet side of the turbocharger to be burnt off, it is the EGR system that recirculates exhaust gas back into the inlet manifold.
As mentioned try a decent injector cleaner - Forte is recommended on here, and also worth replacing the PCV element if it hasn't been done along with the air filter.
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Have tried SeaFoam which isn't specificaly an injector cleaner, more of an all rounder. at £15 a bottle it helped performance a bit but smoke soon returned. Have replaced the pcv filter.