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Originally Posted by 98_frontier_4X4
alright i have a 98 4cyl frontier with 160,000miles. a while ago we had flooding by my house and i had to drive through the water to get in and out of my house. the water was up to the doors. the computer threw a code and i took it down to my local shop fro them to clear the code, they said it was nothing, and that the water freaked something out. that was 2.5-3 months ago. my engine threw another code and this time i bought a actron scanner to check it myself. i dont remeber the code number (p0141?) but it said "02 sensor heater circuit malfunction" on the second sensor. so i erased the code and by the end of the day it gave me the same code again. so here are my questions
did th flood water screw up my sensor?
how much do 02 sensors cost?
where do the wires plug into?
-thanks
--ej
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Well my O2 sensor gave out at 101k. I went to Autozone and bought a new one for $45.00.
I removed the heat shield--just enough to get a wrench at the old O2 sensor. unscrewed the old one, unplugged the wiring harness....Took about five minutes total.
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