I have a 1996 Pontiac Bonneville SE with a 3.8. All original. It Starts fine, but sometimes stalls out right away. It will restart but dies out again. Had the Pressure checked but it was good. Then it ran fine for a day, then died again. I changed the Fuel Pressure Regulator. It ran great for a day again, and is now dead again. Any Ideas?

Do you know if the fuel filter was ever changed on the car and if so how long ago? If it is the original filter that would be a good place to start.

The fuel filter has been changed yes, and recently

Check on your battery cables, both ends of both cables. Clean them up good. I'm betting the problem is electrical and not in the fuel system.

Yea thats what I'm thinking too. I'll let you know tomorrow what I find after I clean them off. Good thing you said something simple like that, I was preparing to drop the tank and yank out the PCM.

Ok, cleaned them off, ( they were already clean) started fine, but still stalled out a little later. Any thoughts?

When it does this..it'* always as you are trying to start it right?

What is the security light on the dash doing when this happens. Might be the security system or a dirty key.

Ah well, dunno yet...waiting for it to happen again. Will get back to ya on the security light. What would I clean the Key with?