My fuel pressure is dropping past 5000 rpm. After a 30 minute drive the battery voltage is staying right around 13v. Using fan system>general>high fuel demand I changed to 15v. I also lowered high fuel demand enable from 14 lb/min to 8 lb/min. During a shorter drive when the battery voltage is 14+ volts my fuel pressure is right at 72 psi, no dips. What am I missing? This is a E30 tune. The 11-30 final the voltage is at 15v WOT. the 12-3 log voltage is 13v. No tune changes in between.
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