780 V6-2849cc 2.8L SOHC B280F (1987)
Typical Knock Sensor Signal
3.
Tap on the engine block, near the sensor, with a small hammer or wrench.
4.
Oscilloscope should show a wave pattern similar to the one shown in the image.
a. If pattern is correct, knock sensor is working properly.
b. If pattern is incorrect, replace and retest with new sensor.
5.
Turn ignition OFF and disconnect all test equipment.
