M Metalhead82 Member Joined Mar 28, 2019 Location Texas TDI 2003 jetta Jun 15, 2019 #1 anyone have any IQ tips for max fuel economy after installing the Firad 520 injectors? I am running a 2003 Jetta. ALH engine Last edited: Jun 15, 2019
anyone have any IQ tips for max fuel economy after installing the Firad 520 injectors? I am running a 2003 Jetta. ALH engine