Focus L4-2.0L (2009)
![background image](/ford/focus/l4-2.0l/Page-237001.png)
Knock Sensor: Description and Operation
Electronic Engine Controls
Electronic Engine Controls
The KS:
-
sends a signal to the PCM indicating engine detonation, which retards the ignition timing as necessary.
Knock Sensor: Description and Operation
Electronic Engine Controls
Electronic Engine Controls
The KS:
-
sends a signal to the PCM indicating engine detonation, which retards the ignition timing as necessary.