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Old 01-26-2007, 10:02 AM   #1
CJ_Boxster
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Join Date: Jul 2006
Location: Where the Sewer Meets the Sea, CA. USA
Posts: 2,695
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Replaced my o2 sensor - P1115

I replaced the o2 Sensor yesterday and all alot of the missing HP came back and im already noticing that my mileage is increasing, I drove the car atleast 20 miles and spirited too and the fuel gauge needle moved about a millimeter. Literally, the needle was touching the higher edge of the 1/4 mark on the gauge after the install of the new O2 sensor and after the spirited driving i did afterwards and the drive to work this morning... It now touching the lower edge of the 1/4 mark.

BTW, i have 104k miles on my boxster and when i replaced the 1 bad o2 sensor, i did not get the cel for the other 3 o2 sensors like some forum members experienced.

I also notice that my idle is SO MUCH BETTER, i dont get that little stumble during idle where the rpms will drop from 900 to nearly 400 then back up. Its solid now!
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