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where is my o2 sensor wiring?

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Old 07-18-2013, 04:47 PM
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Default where is my o2 sensor wiring?

hey guys, just picked up a basket case 95 eg hatch. it has the stock d15b7 and i'm assuming the stock ecu. the CEL is on for code 41, o2 sensor, which the dope; for some reason, deleted from the system. it has a header and a full exhaust with ports for the sensor which have been plugged but it was also "mostly shaved" so everything is taped up and i'm not sure where to look to find the plug to hook it back up. it also looked like there were two ports with plugs in them, a primary coming out of one of the header tubes, and secondary after the downpipe iirc, in order to shut the light off i only need one of them right? its obd1 fwiw

also, this isn't the first time i've seen this done... wtf is the point? bad gas mileage and a check engine light? what am i missing here..
Old 07-18-2013, 06:42 PM
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Default Re: where is my o2 sensor wiring?

I'm not sure where it is, but I can tell you where it isn't. It's definitely not in the trunk.

I hope that helps.








Look for it in the harness somewhere near the reverse light & coolant temp sensor.

Last edited by Former User; 07-19-2013 at 05:48 AM. Reason: Trolling partially edited
Old 07-18-2013, 07:09 PM
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Default Re: where is my o2 sensor wiring?

Originally Posted by New Fella
.......also, this isn't the first time i've seen this done... wtf is the point? bad gas mileage and a check engine light? what am i missing here..
Some people don't have a clue to use an O2 socket to remove the sensor. Eventually they end up stripping it while trying to replace the stock header for another. Cutting the harness is their ghetto way of not having the sensor there. Yeah, stupid idea indeed.
Old 07-19-2013, 01:35 AM
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Default Re: where is my o2 sensor wiring?

Just wire it in directly if you can't find it and use the collector port not the single tube port

Old 07-19-2013, 02:23 AM
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Default Re: where is my o2 sensor wiring?

great at least now worst comes to worse if i can't find the socket at least ill be able to wire it in. thanks guys
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