Ok I just replaced my CP3 with a almost new LMM CP3 and Regulator what do I need to do tuning wise to make it run better I am throughing a 1093 code and my lift pump is working just fine because I see a little over 5 psi of pressure at idle and driving it stays around 4-5psi also. Here is the...
ok I am having a low rail pressure code coming up. I have put in two new filters and also put the truck back to the stock tune but I still get the 1093 code and limp the truck. So what should I be looking for to tell if its my FPR or the actual injection pump. Thanks for any help
Dugie