P0252 VOLKSWAGEN - 2003 tdi changed fuel filter and glow plugs

Question

i have changed fuel filter glow plugs and i dont know what to replace know . any help please

Answer 1

P0252 Injection pump metering control "A" range performance, possible causes Cam/ Rotor /Injector I see this alot,the service manual talks about cylinder 3 with the needle lift sensor to be replaced, The root of the problem ,your cam is worn. You need to get that check out.