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O2 senosr diagnosis S90-V90 1998

Getting codes P0130 (efi 212) and P0135 (efi 521) front O2 woes.
Is it possible for another reason these codes are getting logged other than a faulty O2. I have performed just about all the tests Alldata and Vadis tell me to do.
I have read a few BB posts where a new sensor does not erase a 212 code.
Can anyone provide some guidance. CEL just started to come on last week. 195,000KM on the engine. No other symptons appear. Car seems to runs fine.
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73 ES, 91 240, 98 S90






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New O2 senosr diagnosis [S90-V90][1998]
posted by  Kenner  on Sun Jul 12 12:04 CST 2009 >


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