Apr 28, 2023 - 04:33 AM
I would recommend double-checking the wiring and connections to the O2 sensors. High voltage readings from all four sensors could point to an issue with the wiring or connections rather than the sensors themselves.
If the wiring and connections appear to be in good condition, the remaining two O2 sensors will almost certainly require replacement as well. Soaking and scrubbing them in the fuel may help remove any build-up on the sensors, but it is unlikely to fix the problem of high voltage readings.
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May 18, 2023 - 10:44 AM