I have a 96 lumina with the 3.1l that stalled while it was on the road. When it stall it’s was due to fuel not getting to the engine, so I replaced the fuel filter which allowed it to start but now it stalls. So far I have checked the pump relay, idle air, cleaned the MAF and checked good, replaced the TPS because it was hanging, MAP sensor, replaced the FPR and that now allows it to start and come to an idle for a minute but it still stalls, also checked the water temp sensor and the cam positioning sensor which were good. I’m going to check the ground on the pump and check the pcm to see how they are. Does anybody have any suggestions on what could be the cause?

 

whats your fuel pressure?

 

Been there. Are you only getting P102 code? Intermitent? You'll need an injector pulse light, to see if they are firing, my bet is ECM. I've been through two in 8 years. Both were the same problem ECM. Only dtc I had was P102 maf sensor, that was because the engine was shutting off, and no air flow through the maf. Last ECM I bought was off ebay 70 bucks shipped, and programmed no core, this one is going on 3 years now no issues.