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wierd tick over

Posted: Mon Apr 13, 2015 1:20 am
by passat tdi130
Hi guys i seem to be having a weird tick over problem
It started doing this about 12month ago and gradually got worse

What it does is tick over raises to approx 1000rpm runs lumpy and stinks a bit of diesel

Someone mentioned it could be dpf regens but no light on dash telling me that if it has one

Car is a 2009 model passat highline saloon

Any help please

Cheers all

P.s. Is there a good dpf recommended cleaner or a static regeneration i can do i have vagcom