yetijohn Posted August 5, 2013 Share Posted August 5, 2013 Had the P0430 (Catalyst System Efficiency Below Threshold Bank 2) code pop up so replaced the rear O2 on bank 2 then cleared the EML. After a bit of driving the EML came back on & had it read again & now I'm getting the P1147 code (Heated Oxygen Sensor 2 Maximum Voltage Monitoring Bank 1) Just wondered if its moaning because Bank 2 has the new sensor ? Quote Link to comment Share on other sites More sharing options...
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