Description and OperationHyundai Tucson (NX4) 2022-2026 Owner's Manual: Conditions that Restart the
Engine
The engine is automatically restarted if:
The brake vacuum pressure is low.
The engine has stopped for about 5
minutes.
The air conditioning is ON with the fan
speed set to a certain high level.
The front defroster is ON.
The battery is weak.
The cooling and heating performance
...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Knock Sensor (KS)
- Description
Knocking is a phenomenon characterized by undesirable vibration and
noise and can cause engine damage. Knock Sensor (KS) is installed on the
cylinder block and senses engine knocking.When knocking occurs, the
vibration from the cylinder block is applied as pressure to the
pi ...