Downstream O2 Sensor

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08-26-2004, 11:37 PM

JBza

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Join Date: Apr 2002

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Downstream O2 Sensor

I am getting a cel code 0707 which is the downstream oxygen sensor. Anybody have experience with the this. The car runs fine and i havent had a drop off in mpg. Can this be cleaned or does this have to be replaced. Any help would be appreciated.

08-26-2004, 11:52 PM

THT

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You can try cleaning it with some isopropyl alcohol but I'd recommend replacing it. It's very easy to replace; check the How-to sticky. The downstream O2 has no impact on performance and just reports back to the ECU.

~THT