DTC P0134: O2 Circuit No Activity Detected (Bank 1, Sensor 1)
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2013 Lincoln Navigator, 2013 Lincoln MKZ, 2013 Lincoln MKX, 2013 Lincoln MKT, and 2013 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0134: O2 CIRCUIT NO ACTIVITY DETECTED (BANK 1, SENSOR 1)
| Description: | If the sensor signal value is not changing from the default value, the PCM commands an oscillating air/fuel ratio attempting to detect some movement in the signal value. This DTC sets when the PCM is unable to detect movement in the sensor signal while the air/fuel ratio is oscillating. | ||
| Possible Causes: |
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| Fiesta, Transit Connect | GO to PINPOINT TEST DW . | ||
| All others | GO to PINPOINT TEST DZ . | ||