What are the common symptoms of OBDII code P0134? - Common symptoms include poor fuel economy, rough idling, stalling, and the illumination of the check engine light.

Description of vehicle trouble code P0134 - Oxygen 02 Sensor Circuit No Activity Detected (Bank I Sensor 1)

May 31, 2024 · Got a P0134 code? Learn all about the meaning of this trouble code, its possible causes, common symptoms, as well as how to diagnose and fix it.

Dec 15, 2024 · What does the P0134 Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 1) mean? P0134 code gets triggered when the Engine Control Module has detected …

May 5, 2013 · Learn what a P0134 code means and how to diagnose and fix the problem. The most common cause is a bad sensor.

Apr 8, 2025 · What does the P0134 error code mean? The P0134 diagnostic trouble code (DTC) stands for "Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 1)."

P0134 means the power‑train control module (PCM/ECU) sees no voltage activity from Bank 1 Sensor 1 (upstream O₂ sensor). Drivers typically notice a check‑engine light, reduced fuel …