My EML came on today, cleared it and left the car. Came back and it came on again - so cleared it and off we go and get 38 mpg!
Code was a PO141 which is OBD-II Trouble Code: O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2) Question is - is that the back one? i had to replace the front one after i used the wrong sort of cleaner and killed it, looks like the back is playing up. Best get under and check the connection first.
This might be the reason my mpg went poor
