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O2 sensor on Impreza GX
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Old 05 Jul 2011, 08:37 PM   #1 (permalink)
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O2 sensor on Impreza GX

Hi everyone, new to the forum. Can someone tell me when the oxygen sensors for a Subaru Impreza GX is located. It is the 2003 bugeye model. Thanks
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Old 06 Jul 2011, 07:13 AM   #2 (permalink)
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Re: O2 sensor on Impreza GX

Hi. I'm not sure on the GX.

The WRX bug-eye has two oxygen sensors.

Front: Behind the RH front wheel.
Rear: On the mid exhaust.


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Old 08 Jul 2011, 06:47 AM   #3 (permalink)
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Re: O2 sensor on Impreza GX

Normally you have two oxygen sensors, some people say the front or the back or a catalyst and catalyst prior to the post, the first is after the air filter, sometimes very close to shooting, or the fresh air pipe, the other is located on the exhaust system, look at the tube looks like a spark plug.

Last edited by kidashley25; 04 Sep 2013 at 05:46 AM.
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