Replaced the exhaust manifold. My 7.3l ran like a beast afterwords, at least for about 30 min. Put a can of engine restore in it. Started up fine, ran for about 3 min and quit! Replaced hpop again 4th one still no start. Even tried starting fluid, no start. Checked all the fuses, no start. Oil pressure sensor is new and ford motorcraft, pulled it out seemed ok. Pulled one of the hpop lines spit oil ok, I guess as I am by myself. I absolutely love this truck, any suggestions would be helpful.