克莱斯勒漫步者 04-14 氧传感器 5033500AA 空燃比传感器替换

When your Chrysler Pacfica (Stepper) shows rough idle, weak acceleration, or obviously higher fuel consumption or check engine light (often with codes like P0135/P0141), it indicates the oxygen sensor has aged or failed and cannot accurately monitor exhaust oxygen content. When working properly, it feeds real-time air-fuel ratio signals to the ECU to ensure engine runs at optimal mixture, boosting power and lowering emissions. This product fits 2004-2014 Chrysler Ptadaker (Pacifica) and is compatible with OEM numbers 56044652AA, 5033500AA, 56028994AA, 041698AA, 4727446AC and 4727446AD. Use a dedicated socket during installation to avoid stripping threads, and ensure sensor harness stays away from high-temperature exhaust areas to prevent short circuits.