Hyundai Tucson: Emission Control System / Evaporative Emission Control System
- Description and Operation
- Schematic Diagrams
- Components and Components Location
- Repair procedures
- Canister Repair procedures
- Fuel Filler Cap Description and Operation
- Fuel Tank Air Filter Repair procedures
Positive Crankcase Ventilation (PCV) Valve Repair procedures
Removal
1.
Disconnect the vapor hose (A).
2.
Remove the PCV valve (B).
Inspection
1.
Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger move ...
Description and Operation
Description
The Evaporative Emission Control System prevents fuel vapor
stored in fuel tank from vaporizing into the atmosphere. When the fuel
evaporates in the fuel tank, the vapor passes thro ...
Other information:
Hyundai Tucson (LM) 2010-2015 Service Manual: Description and Operation
OBD-II review
1. Overview
The California Air Resources Board (CARB) began regulation of
On Board Diagnostics (OBD) for vehicles sold in California beginning
with the 1988 model year. The first phase, OBD-I, required monitoring of
the fuel metering system, Exhaust Gas Recirculation (EGR) sy ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Heated Oxygen Sensor (HO2S) Description and Operation
Description
Heated Oxygen Sensor (HO2S) consists of zirconium and alumina
and is installed both upstream and downstream of the Manifold Catalytic
Converter. The sensor output voltage varies in accordance with the
air/fuel ratio.
The sensor must be hot in order to operate normally. To keep ...