Oxygen Sensor Replacement

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Posted by NoEcm ( on 06:43:24 05/13/08

The recomended interval change for O2 sensors replacement is 100,000 miles. Is this figure realistic? Too long an interval? Too short an interval?

Any ideals on how to test a 4 wire 02 sensor or should I just automatically swap it at 100K?

Also would appreciate any thoughts on the different brands of O2 sensors. Pre-Cat sensors: The Borg Warner sensors run ~$20 each and the GM ones are ~$60.

I'll need 4 sensors (for 2 vehicles) so 4 x 20 = $80. 4 x 60 = $240. Big difference in price when you add it all up.

Appreciate any thoughs, suggestions and comments.

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