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Message: [QUOTE="TARM, post: 461503, member: 578"] You are real happy now aren't ya LOL LOL OK so lets go thru all this: You have plenty of LPOP oil pressure @ 45psi so LPOP is good: CHECK Since the Oil psi sensor is in your hpop res that is full not to mention your last stunt of giving your new engine an oil bath proves plenty of oil is getting to the res LOL LOL So HPOP Res Full: Check Unplugging ICP did nothing so not the ICP sensor: Check Swapped out old IPR valve with a old one( It was proven to be good correct?) So IPR valve good: Check If you are getting 250psi then I guess that means the oil rails are full or at least that one is. The HPOP itself is it new a old stock one what. What gets me is you had this thing started even with the galley plugs out. Now the only change I can think you made was to pull the back cover and install the 2 cam galley plugs. Everything else stayed the same no? Since you had to mess with the engine harness what about the IPR connector maybe being bad or having a short in it? Can a HPOP be damaged from not getting oil? Wondering if all the running with the oil plugs out could have hurt it? Someone else hopefully can answer that. It has to be something that effects the oil rail volume or pressure. All I can come up with given the symptoms and what has been ruled out is a bad HPOP. The HPOP res it full there is no way out of the head oil rails other than thru the injectors. The IPR has been swapped. The ICP made no dif. All I can see left is the either the connection to to the IPR or the HPOP itself. Do you have another HPOP you can swap out to check it? [/QUOTE]

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