Joined: Jul 2007
RE: 2006 ridgeline wideband
First of all, I'm assuming you're using the wideband EFIE from FuelSaver-MPG.com or Dry-Cells.com. Most "widebnand" EFIEs from others don't actually handle current wires. But these do.
There should be wires marked with IP. "I" means current. They are always a pair. they may not be marked as such, but they usually are. Like "IP+" and "IP-". Something like that. If you measure them, one will be between .2 and .35 volts higher than the other. To cause the engine to get leaner, you connect to the higher voltage wire of the pair. To cause the engine to get richer, you connect the EFIE to the lower voltage of the pair. Now, note, all of this is covered better in the instructions, which are online at the 2 web sites.
I'm pretty sure you have another type of "wideband" EFIE. I can't imagine the EFIEs from fuelsaver blowing up an o2 sensor no matter what wire you connected to, as long as you were connecting to a wideband EFIE output port. Let me know if I'm wrong about that.
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