Cadillac Repair: car repair, cadillac fleetwood, fuel pressure

Question
I have a 1991 Cadillac Fleetwood brougham. It turns over, but will not start. I have 12lbs. of fuel pressure. And the timing is right. It's getting spark.

Answer
IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other lights illuminated or any messages from the message display center ?.

What work or diagnostics of ANYKIND WHAT-SO-EVER have been performed on the vehicle trying to fix this problem ?.