Description and OperationHyundai Tucson (NX4) 2022-2026 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) ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Crankcase Emission Control System
Description and Operation
- Description
A : Crankcase pressure regulating valve (PRV)B : Breather hoseC : Intake hoseD : Air flowE : Intake manifoldF : Cylinder block
â‘ Blow-by gas flowâ‘¡ Blow-by gas inflow to the cylinder head cover
throungh the cylinder block & head & chain c ...