丰田花冠节气门位置传感器 94859012 10040 94856828 直接替换

Toyota Corolla valve timing sensor (OEM 89452-87114) installed on the side of the throttle body; monitors throttle opening in real time and transmits signal to the ECU to precisely control injection quantity and ignition timing. Compatible replacements 1985001121, 8945222070, 1985001190; fits many Corolla models. Installation difficulty medium; recommended labor 0.5-1 hour; ensure throttle position calibration. If idle is unstable or acceleration is delayed, sensor signal may be abnormal; replace promptly.