Diagnostic Consultation and Engine Carbon Clean on an Audi A4 2.0 TDI (2007 – 115,994 miles)
💬 ‘Hi Adrian, yes noticeable improvement when driving from cold, haven’t had chance to do my oil change yet, but I think that will also make a difference, thanks for all the great advice.’ ⚠️ Vehicle not as quiet, smooth, responsive or economical as it used to be? Get it