Posts Tagged: P0134

P0134: What it means and how to fix it

Learn what a P0134 code means and how to fix it A P0134 trouble code is defined as Oxygen Sensor Circuit No Activity Detected (Bank 1 Sensor 1). This oxygen sensor is located on the engine bank that houses the #1 cylinder and is located BEFORE the catalytic converter In older Zirconia oxygen sensors, the PCM expects to see a rapidly changing voltage varying from .1 volts to .95 volts. A Zirconia sensor generates its own voltage based on the difference in oxygen levels between what it sees in the … Read More