Hyundai Tucson: Emission Control System

Spark Plug

- Description A spark plug is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture the ...

Description and Operation

- Description Emissions Control System consists of three major systems. • The Crankcase Emission Control System prevents blow-by gas from releasing into the atmosphere. This system recycles g ...

Other information:

Hyundai Tucson (NX4) 2022-2026 Service Manual: Relay Box (Engine Compartment)
- Inspection Power Relay (Type A) 1.There should be continuity between the No.30 and No.87 terminals when power and ground are connected to the No.85 and No.86 terminals. 2.There should be no continuity between the No.30 and No.87 terminals when power is disconnected.[Engine room relay box] ...

Hyundai Tucson (NX4) 2022-2026 Service Manual: Oil Temperature Sensor (OTS)
- Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine speed and load.By controlling CVVT, the valve over-lap or under-lap occurs, which mak ...