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How can you fix a PO135 oxygen sensor heater circuit malfunction in bank 1 sensor?
Wiki User
∙ 11y ago
You have one of three general problems in order of most to least likely.
- The O2 sensor is bad
- The wiring or connections have an issue
- The computer is bad and not seeing the operation of the heater.
Wiki User
∙ 11y ago
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