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View Full Version : Anybody build an EFIE



JonDoh
10-13-2008, 06:22 AM
Anybody build an EFIE from Zero Fossil Fuel??

Is his wiring diagram he got pictured the same as the schematic??

Idk.... It doesn't look right....

GlitchMobile
11-27-2008, 12:06 AM
Anybody build an EFIE from Zero Fossil Fuel??

Is his wiring diagram he got pictured the same as the schematic??

Idk.... It doesn't look right....

I built it based on the schematic circuit only. Works as intended. I added a LED for optical feedback, whenever the unit is powered up.

On my 2003 Suburban if too much EFIE compensation is added, the PCM goes into Open-Loop mode. It appears that the PCM is comparing the O2 characteristics relative to the MAF, MAP and IAT sensor outputs simultaneously.