02 sensors

Gary Burkholder

Asked by Apr 30, 2016 at 04:18 PM about the 2002 Mitsubishi Eclipse GT

Question type: Maintenance & Repair

how many o2 sensors does a 02 3.0l eclipse have? location?

12 Answers


Looks like 3 total 02 sensors...Up stream front, Up stream rear, & a down stream 02 sensor.

Gary Burkholder

look again for correct answer


This looks like a confusing exhaust system and how it is listed at the source I am looking at. I guess you need to know what you have for 02 sensors. I'm seeing one brand list 2-02 sensors and another listing 4 02 sensors. Now looking at exhaust parts for the 3.0L I am seeing only 2 places to plug in 02 sensors. So if you are talking about your vehicle, I wouldn't know unless I looked.

1 out of 1 people think this is helpful.
Gary Burkholder

I only see 2 wires/so I guess California would be the 3 or 4 02 another question for u wat color wire is located at back of cluster for the oil pressure litr


I don't know what the color would be of that wire. When I have wiring problems I use a test light to figure things out.

Gary Burkholder

that might be hard my oil lite stays on even when sensor wire unhooked [at oil filter][single wire] so that means there is a short in wire I would like to run new wire from cluster to sensor


I think I would just replace the sensor first before going threw all that, not that expensive, I know on a lot of vehicles the light would stay on if it is unplugged from the sensor.

Gary Burkholder

why would lite stay on wit wire unhooked ? ignition on wire has current [+] engine runs closes contact in sensor for ground [-] complete circuit so there's a short [-] between cluster and sensor to illuminate lite


I think because there are other things tied into that circuit to make the check engine light come on so there are other grounds in that circuit. No totally sure on your car but see it when diagnosing codes that come up on different vehicles.

Gary Burkholder

did not say check engine lite on I said oil pressure lite stays on [just oil pressure] other lites work fine


I know.

Gary Burkholder

info for future all dash lites work correctly except oil lite stays on even when wire unhooked at sending unit no codes present problem bad cluster-replaced-on the road again

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