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o2 reading from efie
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bdancik Offline
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o2 reading from efie
If I check the o2 side of the efie to ground what should my voltage be at. Everytime I check it it always around .200. When I check the side of the ecu I have it set around .260. Is this correct or do I have the incorrect wire?

Brian
07-04-2008 08:47 AM
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mike Offline
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RE: o2 reading from efie
You may have the wrong wire. But you must measure the signal wire on one probe and a good ground on the other (preferably the battery negative terminal). You must also measure with the engine running and warmed up a bit. Then you should get constantly changing voltages in the range of .3 to .8 volts. It should me changing all over that range several times per second. If you don't see that, you have the wrong wire.

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07-04-2008 04:59 PM
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bdancik Offline
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RE: o2 reading from efie
Thats what I was thinking. Thanks for the help..
Brian
07-04-2008 06:32 PM
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