|01-02-2009, 04:43 PM||#1|
Join Date: Jan 2004
2000 Legacy GT LTD
Bad Oxygen Sensor
My 2000 Legacy (2.5L) threw a CEL recently, and the code indicates a bad front oxygen sensor.
I'm wondering if there is any reason that I should replace the rear sensor at the same time? Also, to anyone who has experience changing one, am I going to need one of the sockets designed for removal/installation of oxygen sensors, or will a regular socket work?
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|01-02-2009, 06:37 PM||#2|
Join Date: Nov 2004
Location: clarksville ARVehicle:
2004 wrx wag
black UTEC stg 4
just replace the one that is bad. you will need to buy a socket or wrench for the o2.
|01-03-2009, 12:43 AM||#3|
Join Date: Dec 2008
Location: Houston, TXVehicle:
2012 WRX SWP
Mine has that code (also a '00 Legacy), every time I reset the CEL with my scantool, it comes right back on when I turn the key on...usually the car will run for a while, recognize the error, and then have the CEL illuminate.
Now that you know what it is, can you clear it (at AutoZone for free, or other shop?) and let me know if it comes right back on? This would be a great experiment for me
PS-- best prices on OE-type front O2 sensors for our cars is at SparkPlugs.com , I have used them a lot the past 5 years and they are top notch and always cheapest. They are in CA.
PS-- front O2 should just be able to remove with a 7/8 open wrench, to fit a socket on there I think you'd have to pull the cat assemblies. No fun. Be sure to unplug the sensor first, or you'll twist up the cable when removing.
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