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Messages posted by: Oklahoma-Rocky
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nydieselguy wrote:Hi Guys,

First let me start off by saying that I truly do love your tune and enjoy every aspect of it. My only concerns are that I seem to be using 2x's the amount of def. I thought I would be using even less def because of the EGR delete. Is it possible that your tune can cause this or is there another unrelated problem occurring. To provide you with a little more info, I've had a rather heavy foot since using the tune and have been doing a lot of city driving. Let me know what you think.



I'm in the same boat. Installed the GDE Hot Tune a few months ago. I'm getting about 4,000 miles per tankful. I can see a white deposit on both exhaust outlets.

Have you been able to resolve this issue yet? Was it a defective DEF injector?
 
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