OEM 2009 Toyota Yaris Knock Sensor

2009 Toyota Yaris Parts Questions & Experts Answers

• Q: How to remove the Knock Sensor on 2009 Toyota Yaris?

  A: One must disconnect the cable from the negative battery terminal as the first step when removing the Knock Sensor from a 1NZ-FE engine control system. The first step includes draining the engine coolant followed by removing the cylinder head cover No. 2 and browsing on. Begin by removing the air cleaner cap sub-assembly together with air cleaner hose number one. Disconnect the combination of water by-pass hoses No. 2 and No. 2. Start by extracting the throttle with motor body assembly before proceeding to remove the intake manifold where you should disconnect the engine wire harness and remove water by-pass hose No. 2, ventilation hose, union to connector tube hose by removing 3 bolts and 2 nuts. Proceed to take the gasket after removing the intake manifold. To complete the knock sensor removal disconnect its connector then undo the nut and remove the sensor.