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EFIE support need help
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Randy Offline

Posts: 1
Joined: May 2008
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Post: #1
Question EFIE support need help
I just installed Your new dual O2 EFIE On my isuzu Rodeo 1998 3.2 v6. fuel injected with hho gen
I have 4 o2 sensor 2 upstream & 2 downstream with 4 wires .My reading are .055 millivolts with no hho and .096 with hho. the reading seem to low . Is this correct . do I add .040 millivolts . because I can't adj. one side of the EFIE Below .310mv
(This post was last modified: 05-05-2008 03:48 PM by Randy.)
05-05-2008 05:42 AM
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mike Offline
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Posts: 2,023
Joined: Jul 2007
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Post: #2
RE: EFIE support need help
Randy, please disconnect the white, green, blue and brown wires, and see if you get the expected voltages at the test ports.

I suspect either you're hooked up the wrong wires, or you don't have oxygen sensors, but AFR (Air Fuel Ratio) sensors. See for more info on that.

Send me an email at with the info, as I'm getting behind on my forum traffic. Don't assume I'll remember anything. Copy your first post, and then give me the additional data I'm asking for in the email.

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05-06-2008 09:06 AM
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