If your OBD-II equipped vehicle has stored a code P0433, it means that the powertrain control module (PCM) has detected a problem with the efficiency of the catalytic converter for engine bank two.

2025年1月29日 · The P0433 code is a diagnostic trouble code (DTC) that indicates an issue with the heated catalyst efficiency on Bank 2 of your vehicle’s exhaust system. Specifically, it points to problems in how effectively the catalytic converter heats up and processes exhaust gases.

2020年6月14日 · What are the common symptoms of OBDII code P0433 (Heated Catalyst Efficiency Below Threshold Bank 2)? - Common symptoms include decreased fuel efficiency, reduced engine performance, and the illumination of the check engine light.

2020年3月3日 · 如果配備 OBD-II 的車輛儲存了 P0433 代碼，則表示動力傳動系統控制模組 (PCM) 偵測到引擎組二的觸媒轉換器的效率存在問題。 汽缸組 2 表示故障發生在不包含汽缸 #1 的引擎汽缸組。 觸媒轉換器用於減少柴油和汽油引擎產生的廢氣排放。 其關鍵部件是一個過濾塊，由陶瓷纖維與鉑和其他貴金屬交織而成，封閉在直列鋼製外殼中，並位於排氣系統中。 氮氧化物（N2O）顆粒、一氧化碳和未燃燒的碳氫化合物在催化轉換器內還原為無害的氮、氧、二氧化 …

2020年3月3日 · 诊断 P0433 代码需要诊断扫描仪、数字电压欧姆表 (DVOM) 和可靠的车辆信息来源（例如 All Data DIY）。 在尝试诊断存储的 P0433 代码之前，应解决任何失火代码、节气门位置传感器代码、歧管气压代码或空气流量传感器代码。

2024年4月18日 · Definition of P0433: Indicates “Heated Catalyst Efficiency Below Threshold (Bank 2).” Symptoms to Watch: Decreased engine performance, higher fuel consumption, …

If your OBD-II equipped vehicle has stored a code P0433, it means that the powertrain control module (PCM) has detected a problem with the efficiency of the catalytic converter for engine bank two. Bank 2 indicates that the malfunction has occurred in the bank of the engine that does not contain the #1 cylinder.

In this article, we will focus on one specific OBD code, P0433, which refers to the heated catalyst efficiency below the threshold in the second bank of cylinders. We will explain what the code means, why it is important, and how to fix it in practical terms, using real-world examples and tips from experienced mechanics.

2020年6月14日 · As the code description implies the P0433 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as …

2024年1月23日 · The P0433 code, indicating low catalyst efficiency below threshold, can have a significant impact on engine performance and fuel efficiency. A malfunctioning catalytic converter may not effectively convert harmful gases into harmless emissions, leading to diminished engine power, decreased fuel efficiency, and potential emissions issues.