I put the jb4 on my 2018 stinger gt a few months I also have intakes with densto plugs the jb4 made a big difference on map 2 the gauges were all working but now the ign gauge is not working does any one no what the problem could be
I put the jb4 on my 2018 stinger gt a few months I also have intakes with densto plugs the jb4 made a big difference on map 2 the gauges were all working but now the ign gauge is not working does any one no what the problem could be