I've just replaced the correct o2 sensor with a brand new oem specification sensor , starts and run fine , then the dashboard all fails with engine running ok
Reading through there seems a problem with bad earths can cause this to happen, looking through my manual , can't seem to locate earth points , could someone possibly point out the earth point locations do I can thoroughly clean up , thank you

 

Was the sensor a Denso? Bosch sensors say they are OEM spec, but wi;; light your dash up like a Christmas tree.

 

Yes it was a denso , genuine had read an awful lot about using genuine , so I stumped up the cash

 

Use a little contact cleaner in the socket, plug it in and unplug it a few times to clean up the contacts; when you get a good contact, the lights should go out.


The Bosch heaters have a very different resistance across the heaters, that is why they cause so much grief.

 

Socket from o2 sensor yes ?
Any other terminals to clean up , can't understand why instrumentation would fail