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.

Jan 7, 2023 · Find out what the P0134 code means, the causes and symptoms of this error code, and how to fix it.

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

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)."

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 inactivity from the …

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 economy, or a …

Code P0134 is triggered when the powertrain control module or PCM determines that the oxygen sensor voltage is hovering around 450 millivolts. This value varies with each vehicle, however a …