Ynnadyob Posted February 15, 2016 Share Posted February 15, 2016 Just had my ford focus done diagnostic as engine man light on, faults codes apppears: P2231:00-A F/CMDTCs -O2 sensor signal circuit shorted to haeter circuit. Please help what to do. And if going ti change sensor is it mend the problem? Is it safe to used the car to drive?? Thanks.. Quote Link to comment Share on other sites More sharing options...
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