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Posts Tagged: trouble code P0134

P0134 Oxygen sensor

Fix code P0134 Oxygen sensor 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 #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 see in the atmosphere and the exhaust stream. If the PCM detects … Read More

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