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EFIE question
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Boerman Offline
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Post: #1
EFIE question
EFIE adds voltage, right? It gets powered off your vehicle's electric system. If it doesn't have power, does it just pass thru the voltage from the O2 sensor, unaltered?

I have already discovered that there will be times when I either have my booster turned off or removed. At those times, it would probably be better for the O2 sensor to go back to stock, right? So what I am thinking is that I should wire the EFIE to the same curcuit that powers the relay that runs my booster. So, if that circuit is off, the EFIE is off.

Is there anything wrong with this thinking?
05-31-2008 10:17 AM
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rpatzer Offline
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Post: #2
RE: EFIE question
no, if your EFIE is not powered up, then there is no signal pass through. What you want is either a cut-off switch or a switched power source.

I put an A/B switch on mine-power either goes through the EFIE or around it.
06-04-2008 07:21 PM
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