audi a3 2004 1.9 not starting p1664 coming up glow plug light flashing

Question

2004 audi a3 1.9 tdi not starting . code p1664 coming up with activation of pump/injector valves mechanical malfunction thats what its says . now its not the pump in the tank , all fues are ok any ideas.

Answer 1

Hi there,

This code indicates an issue with the ECM. Here is some more info for you.

P1664 AUDI - Injector Activation Current Circuit

Read more: https://www.autocodes.com/p1664_audi.html