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O2 and Mass AIrflow Sensors S70 1999

posted by  Elbert on  Wed Mar 9 08:28 CST 2005
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I believe you are being hosed, but then again I could be wrong. I'm with you that the O2 is only a sensor that sends signals to the ECU. The sensor does not compensate, it reports. It is the ECU that does the controlling i.e. timming, lean mixture etc. It is possible that the MAF sensor and the O2 gone bad very close in time to each other. $445 is too much to replace one O2 sensor.






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New O2 and Mass AIrflow Sensors [S70][1999]
posted by  katee4  on Thu Mar 3 15:41 CST 2005 >


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