P0140 Diagnostic Trouble Code Discussion for July 2011
Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity
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| Help Request | Posted | |
| 1999 Mazda Miata 1.8L Hesitation, Poor Fuel Economy, Poor acceleration VIN: JM1NB3532X P0140: Heated Oxygen Sensor (Bank 1 Sensor 2) Lack Of Activity. This car came to us with a high temp gauge (never into red zone) and we found a poor-flowing thermostat. The customer has also complained in the past about poor fuel mileage and poor acceleration in the past. Until now, I could never duplicate the complaint. W... |
July 27, 2011 |
