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Old 06-22-2009, 10:39 AM   #4
Element Tuning
Former Vendor
Member#: 54918
Join Date: Feb 2004
Chapter/Region: MAIC
Location: Gaithersburg, MD
673 WHP Element
Tuning Pro Comp Engine


As we discussed on the phone the I/O for PWM 4 should be set to high frequency vs. low frequency with your custom wiring. Normally for the STi output 4 is used for the boost control solenoid so that output is set to low frequency but for the ISCO it should be set to high frequency.

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