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It's black smoke wen give it a good Welly sometimes grey on tick over today I got some egr cleaner spray it in wen car is ticking over it helped car for few hours now bad again can egr be messy and can manifold and that be covered in soot thanks for any help and car is not remapped just dpf is...

Hi have an a3 tdi 170 2007 It's engine is moving about like mad it's recently had 4 new refurbished injectors dpf has been deleted out system wen stopped at junctions or that smoke starts to shoot out Just looking to sort problem no faults on system Can it be egr or maybe covered in soot...