Troubleshooting
Repair proceduresHyundai Elantra AD (2016-2020) Service Manual: Filler-Neck Assembly Repair procedures
Removal
1.
Remove the rear-LH wheel, tire, and the inner wheel house.
2.
Disconnect the fuel filter hose (A) and the ventilation hose (B).
3.
Open the fuel filler door and unfasten the filler-neck assembly mounting screw (A).
4.
Remove the filler-neck assembly from the vehicle after ...
Hyundai Elantra AD (2016-2020) 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 ...