MY a4 tdi b6 2001 awx engine car: car starts first turn of the key,but now and again takes 3-4 seconds before it starts (as if there is air in the system) fully serviced no leaks,all genuine parts used.
ive access to vag -311 and 607 i need to check in measuring blocks but dont know how or what to do or look out for can you help,thanks.