I have a 06 gli that shut off while pulling out of a parking lot, i have a P2146, P2149 codes, I have checked the resistance of the injector and they measure 3.1-3.2 ohms, checked all the fuses and there ok,also checked coils and they are firing,also the fuel primes when i open the door, i have 70 psi at the hpfp and 1140 psi when cranking,not sure what to test for next