[D-Max HD4]

Alright guys, what a week, sorry i haven't posted my results, but I do have a valid reason. Lets see where to start, first things first i guess i recieved all my parts about the same time last week on thursday and friday because I have limited time home and wanted to do it all this last weekend. Well as I went through all my boxes I soon found that my new Exhaust Manifold had a 3 inch long crack down the middle. So I contacted the company and they sent a new one next day air. So it was all still lookin up. I tore into my MBRP exhaust first, and it went pretty quick and painless. Next came the Banks Ram air and it went right along as the exhaust, easy and quick. Next I started with the BD exhaust mainfold. Kind of a pain to get to, take drivers side tire off, take out fender well, and turbo intake. All was going good with removal of old mainifold, they went to putting on new one and had it all sucked up to block and started to torque it all up and on the very last bolt it all went down hill, it broke off in the block. Luckily there was about a 1/4" sticking out so I grabbed a set of bolt extactors and came out with no damage, just very time consuming. So finally got it all mounted and torqued to specs and installed theromocouple from six-gun and put my truck back together. Then onto the Six-Gun install, which was probably the easiest to install. Plugg and play, the trick with the heavy wire through the firewall worked like a champ. Finally got it all put together and time for the initial test drive. I started out in stage one and drove it for awhile then continued to baby it and got a good 15-20 shifts in each stage throughout the next couple days. Untill yesterday when i finally made it to stage 5 which is where i planned to keep it from what I've been hearing. So still again I took it easy and got a good set of shift cycles out of it and then made a couple of hammer down runs and was amazed of the power and throw you back torque that it made and was very pleased with the results of my labor. Then as I was driving home this afternoon just to see If I could tell any difference in level 6 I proceeded to learn the tranny and then gave it one run before goin back into 5, it set off a vechicle code and put the truck into limp mode. I was only a mile from home so just idled on home. I then used the banks PDA to check the code, it said it was a fuel rail pressure relief code. I then cleared the code and brought the truck out of limp mode and put back into level 5 and it just doesn't seem to have near the power and speed that it did before. Have not had any codes since. Anyone have any suggestions or solutions to my new found problem? Thanks again for all your help.