Paul Whiffin Posted June 28, 2011 Posted June 28, 2011 Hi chaps, Having a bit of nightmare with a 350Z with have here at the moment. The ecu light is on so we did a diagnostic check and it came up as O2 sensor 1 and 2 bank 1. We changed the O2 sensors and now the code is heater control circuit low bank 1. Anyone else had this before? Quote
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