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Message: [QUOTE="Marauder, post: 111039, member: 1349"] They are working just fine after I replaced the both of them. You can tell the differences unloaded and loaded. Before I was getting a jerky type or inconsistence reading. Sort of sticky operation. Mine is a APX1. My issue is nothing like aeration. Like this morning I drove it slow keeping the RPM under 1500. Then bam! I get the surging/injector on and off issue. Pull up to a light, let it idle and it purrs like a kitten. WTF? Leave the light and it comes back when coasting at part throttle. It's almost like I have two different issues. Stop at the next light and it feels like I dropped an injector. leave the light it sputters and jumps off of the line....go figure? I've been exposed to motors that spin up to 11,000 rpm. I have viewed the oil at that RPM. It's a frothy mess, but once off the throttle and the oil returns back to the sump...within 3-5 seconds the froth is gone! Oil companies go to great lengths to resolve this issue. Yes. I can pull my Dipstick and see bubbles on it, but there is more solid oil around those bubbles than the bubbles themselves. On the second dip of the stick the bubbles are almost all gone. These are large bubbles not the microscopic bubbles that don't go away for a long time. Your Sir are correct....My scan gauge won't read "Injector Timing" although it has a PID for it. Back to the drawing board! : ) Oil is changed every 3 thou. I have 1200 miles on this change and it'd junk with all the soot in the oil. so It's coming out. I run Delo 400 LE. Been using it since day one. The romp is unpredictable it comes and goes. The IPR and ICP sensor are new. The pumps have just been gone through less than 300 miles ago and their pressure is outstanding. In DD tune 3200 is the norm. Sooty as hell though at WOT, hell it's sooty everywhere! : ) The LPOP was new 27,000 miles ago so i should have good pressure. EOT is good to go as well and I agree with you...it shouldn't be an issue. The one thing I have noticed is that the PCM runs a tad warm. Is the norm? Right where the chip is located. That crossed my mine as well, but mine runs great when the sun and planets fall into place! Then goes temporary into the ****ter. Sort of a Jeckle and Hyde operation. Good Luck with your truck you'll get it running right. I had these same pumps when I ran my Stage II's and I had nothing like this drive ability issue. Seems now that these Hybrids just might be a tad tricky to set up with a turbo that no one has any specs on wouldn't you think? I think I might be on to something here. Good information to share! Wish I knew that about two weeks ago! A new IPR and ICP Sensor can't hurt! Man I'm sorry I haven't had a chance been way to busy here at the house. Remodeling the house and I try to take my mind off of the truck to clear my head and then hit it with a clear mind again. I did dig up some old paperwork to check on a part number, the weather here is only 102 today so I guess I can go out and lay on the ground.... At my age when I lay down I usually take a Nap! :o Yes, I have been chatting with Nate and Dennis both. As well with Joey @ Terminator Eng. I have a couple more things I want to test and check. I promise I'll fill you all in on what I find with my %$#*& truck. :jawdrop: Again thanks for all the ideas! [/QUOTE]