Re: O2 Sensor Curiosity Question
I think the O2 sensors are actually still working with those codes. It's the heater element within them that goes bad. So if the heaters reach light-off temperature at different rates, then yea, you'll see a code for the other front O2 sensor after replacing the first one. The rear sensors rarely go bad.
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'01 tundra TRD SR5 4x4 access cab, rear Helwig sway bar, front poly end-links, temp/compass mirror, '05 tail lights, JL audio stealthbox and amp, 6x9 Sony rear spkrs, TO-25 door tweeters, new '03 TRD coilovers w/daytech 3/4" poly spacer, rear HD-Bilsteins, all weather mats, rear seat mod, Draw-Tite bugshield. Soon to install: TRD lim-slip
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