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      11-27-2012, 12:04 PM   #86
Mike@N54Tuning.com
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Drives: 07335i
Join Date: Dec 2008
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Quote:
Originally Posted by DallasBoosted View Post
Great sales pitch on the JB4, but do you have any input on why our DME's are reacting this way? Since the JB4 and Procede adjust fuel via the same mechanism, wouldn't the JB4 have the same issue with my stock DME programming?
Most likely your tuner has set tables related to fuel pressure and fuel trims improperly causing your problems. I'm surprised Shiv didn't just correct it for you. It's normal to run out of fuel trims at 17psi+ using 50% E85. It's not normal on pump gas at 15psi. The lambda codes you have stored might also be contributing to your problems. You basically need some customer support from your tuner to resolve it IMHO.

Just email or call in a support ticket.

Mike

Last edited by Mike@N54Tuning.com; 11-27-2012 at 12:12 PM.
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