Car was running perfect, I swapped out my Cobra Intake for a Systemax, my 95mm PMAS mass air meter for a DBX 97mm, swapped out my 42lb injectors for 50lb injectors, my stock FPR for a Kirban AFPR, car will not run now. The 1st mass air meter I got from Andrerson which was reading voltage on the PMS but for some reason was throwing a code 66 on the dash "missing mass air signal, and a code 2000 on the PMS which is also "missing mass air signal" I sent that back to Anderson, they verified it was bad, and they sent me a new one, installed that one, same problem, however this time no voltage on the PMS. I went to Summit Racing, picked up another DBX, same problem no voltage reading on the PMS. If I install my stock sensor it has voltage. Completly lost on what do now, anything helps!!!!!