Ag Diesel tuner - Nissan Titan XD Forum
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post #1 of 31 Old 04-08-2017, 12:38 PM Thread Starter
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Ag Diesel tuner

Well I just installed the tuner from Ag Diesel I will give unbiased updates as I progress. My first thoughts on the install is that the pressure sensor is a pain in the AS@ it took me 45 minutes to unplug and plug the new leads in. Instructions were very clear there is just no room to get in to that tight spot!

The system defaults to the 60HP gain so I will leave it there for now. It comes with a rotary dial to adjust from 0-20-40-60 settings and it seems solidly built

I will keep you updated on MPG and seat of the pants feel, and if there is any less lag, I doubt that a tuner will help with that but there is always hope!

Stay tuned!!
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post #2 of 31 Old 04-08-2017, 02:07 PM Thread Starter
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Ok just got home which is a 20 mile trip so cant be definitive on anything but initially I am seeing a good increase in MPG I am attaching rather long video showing the MPG. I drive this stretch every day to and from work and best MPG prior to this is 19.5 so I am hopeful this holds but with regarded optimism. For those who do not want to watch I ended at 21.8 this is at 73 MPH highway with a few decent hills which you can see in the video when the MPG drops.

https://youtu.be/PamUIDTEhWQ
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post #3 of 31 Old 04-08-2017, 02:20 PM
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Your pressure box fool's the computer, your computer generated milage will be off. Only way to check it now is at the pump and miles travelled.
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post #4 of 31 Old 04-08-2017, 03:31 PM
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Originally Posted by Sinequa View Post
Your pressure box fool's the computer, your computer generated milage will be off. Only way to check it now is at the pump and miles travelled.
Can you explain that a bit further??
Not doubting you, I just do not understand how mileage is calculated in these trucks.
I had assumed it was by fuel flow
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post #5 of 31 Old 04-08-2017, 04:29 PM
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I'm not so concerned with mileage..how's the power? Lag? Thank you
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post #6 of 31 Old 04-08-2017, 05:11 PM Thread Starter
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Lag is still there ****, definite increase in HP but I would like to test it more lol! Just filled tank so I will know more in a few days. As of this moment I am overall pleased but need more time
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post #7 of 31 Old 04-08-2017, 05:22 PM
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Originally Posted by bf4cm28 View Post
Lag is still there ****, definite increase in HP but I would like to test it more lol! Just filled tank so I will know more in a few days. As of this moment I am overall pleased but need more time
Please make sure you put her through the paces. I'm looking at this, the Stryker module, EZ LYNK, or just keep it stock until the warranty is out.

2016 Titan XD 5.0

Stock for now
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post #8 of 31 Old 04-08-2017, 05:27 PM
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Lag is still there ****, definite increase in HP but I would like to test it more lol! Just filled tank so I will know more in a few days. As of this moment I am overall pleased but need more time

Thanks! Looking forward to more detailed reviews.
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post #9 of 31 Old 04-08-2017, 08:28 PM
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Originally Posted by Jtp View Post
Can you explain that a bit further??
Not doubting you, I just do not understand how mileage is calculated in these trucks.
I had assumed it was by fuel flow
The milage is calculated by injection timing and cp4 pump pressure, divided by miles. Your box is fooling the cp4 pump to make higher pressure.
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post #10 of 31 Old 04-08-2017, 11:38 PM
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Originally Posted by Sinequa View Post
The milage is calculated by injection timing and cp4 pump pressure, divided by miles. Your box is fooling the cp4 pump to make higher pressure.
Thanks, I had assumed it was a flow meter in a line somewhere
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