bjboucher_1, 2003 Toyota echo, you have to remove the throttle body and intake manifold to access the knock sensor, then remove the sensor and replace. Below is a link to the replacement sensor so you will Know what to look for.Good luck. I hope this helped you out, if so let me know by pressing the helpful button.
+
bjboucher_1, 2003 Toyota echo,Look under the center of intake manifold(may need a flashlight) and the sensor is there screwed into engine block. You have to remove the throttle body and intake manifold to access the knock sensor, then remove the sensor and replace. Below is a link to the replacement sensor so you will Know what to look for.Good luck. I hope this helped you out, if so let me know by pressing the helpful button.
bjboucher_1, 2003 Toyota echo, you have to remove the throttle body and intake manifold to access the knock sensor, then remove the sensor and replace. Below is a link to the replacement sensor so you will Know what to look for.Good luck. I hope this helped you out, if so let me know by pressing the helpful button.
http://www.autozone.com/engine-management/knock-sensor/duralast-knock-sensor/361905_0_0_26033