P0134 - O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
P0134 - O2 SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 1 SENSOR 1)
| Description: The nitrogen oxide (NOx) module monitors the NOx sensor oxygen (O2) signal for a lack of movement concern. This DTC sets when the actual O2 signal value does not change from the default O2 signal value. | |||
Possible Causes:
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST RD . | ||