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My truck has been having this issue for a couple weeks where it will hesitate under hard acceleration. On one other occasion last week, it was very cold in the am (15 F) I ran a glow plug cycle and turned the truck over and it started right up. It ran for about a minute and died and would not...

I have recently ran into an issue with my truck. Under moderate throttle it breaks up like its pulling air and not getting fuel. This is not constant but does this intermittently. Today I started it leaving from work and when I put it in gear it died. The truck wouldn't start for several minutes...

So I left my truck at work over the weekend. Started her up and let it run for about 10 mins. I then drove to the gas station and put in about 7 gallons. Got back to my house and once I pulled in the driveway the truck started cutting out, blowing puffs of unburnt fuel and wanting to stall. I...

When I am on a hill and my truck spikes over 15psi it is throwing a boost sensor code. I read in another post that some people replace there boost sensor with a 3 bar sensor to keep the ecm from coding. Is this really possible? If so where can I get the part?

When i start the truck in the morning if I dont let it warm up for a while. It wont "bump" into reverse and I have to hit the gas to get it to go backward. So I normally back it in at night. Another day it did this when I went to take off going forward as well then once it was warm it was ok...

I have heard so many different opinions on what is a safe boost pressure for the 6.5. I have also heard that its not the boost that blows your motor but the heat that goes along with it. This sounds pretty believable but then Kojo tells me that anything over 12psi is dangerous. First I will say...

I received my Kojo tune yesterday and installed it. The truck runs much "smoother" and the tranny works much more efficiently. But I am not very impressed at the power increase even tho it starts rolling coal at half throttle. It is slightly quicker but I must say the best thing about the tune...

I finally received my upgraded ecm from Walking J designs. This my sound like a dumb ? to most of you but where is my ecm located and what do I have to do to install the new one? I have searched and cant find anything on the topic.

I was thinking of rust proofing my gmt400 by pulling out the vent plugs under the doors and spraying in a 50/50mix of diesel/oil in there with a garden sprayer. I have also heard that diesel fuel can be corrosive. Does anyone have experience with this? Let me know your opinion. Thanks in advance...

I would like to bring the front of my truck up an inch or two. I understand that I will have to have it realigned after cranking it. But other than that, what problems am I going to run into? I know at least a few of you have tried this. Ideally I would like to get 2 inches out of it.

How much power can be expected form a obdII 6.5 with intake and exhaust. Before and after a performance oriented Kojo tune?

I ordered one of these almost a month ago and still haven't received it. I am wondering if something happened in the shipping process. How long did it take for you to get yours?