Excessive Fuel Warnings in Front and Rear Exhaust - Road Glide Forums
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post #1 of 4 (permalink) Old 09-28-2017, 07:55 PM Thread Starter
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Excessive Fuel Warnings in Front and Rear Exhaust

Hello all, looking for expert advice. I am using the Vance & Hines Engine Tuner and have been doing Auto Tunes and everything was fine until I did the Stage IV upgrade. Now I am getting the Fuel Warnings on both front and rear exhaust ports. Not sure what to do at this point. There are no settings for this engine upgrade so I am assuming Auto Tune is the only thing to do???? I am doing one more flash tomorrow as I am at 67 parts configures and will be doing a very long ride so hoping for a few more. However, if this does not work, suggestions?
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post #2 of 4 (permalink) Old 09-28-2017, 08:48 PM
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I would call V&H and let them look at your data live so they can suggest how to make it right.

They can send you a map to work with your stage

Then you flash it into your FP-3

Then run a full tank on Auto Tune

The data can then be saved

Then you flash that.

Should be good to go after that.

Swomack


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post #3 of 4 (permalink) Old 09-28-2017, 09:03 PM Thread Starter
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I will give that a shot. Thx!
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post #4 of 4 (permalink) Old 09-29-2017, 11:42 AM
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There is a fixed limit on how far the software can move away from the base map. And you have reached the limit.

Any major changes to the engine or exhaust can cause this. A new map with a closer match will correct it.

And with the competition, you can write the auto learned map, and then start auto tuning from there, with a new set of limits. You'll have to read up on the V$H system to see if it will allow that.


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