Hyundai Elantra AD (2016-2020) Service Manual: ETC (Electronic Throttle Control) System Troubleshooting
Fail-Safe Mode
ItemFail-SafeETC MotorThrottle valve stuck at 7°TPSTPS 1 faultReplace it with TPS 2TPS 2 faultReplace it with TPS 1TPS 1,2 faultThrottle valve stuck at 7°APSAPS 1 faultReplace it with APS 2APS 2 faultReplace it with APS 1APS 1,2 faultEngine idle state
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Hyundai 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 ...