Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Hyundai Veloster N Standard TransFACTORY OEM SERVICE PROCEDURE
Components Location
| 1. Engine Control Module (ECM) | 2. Manifold Absolute Pressure Sensor (MAPS) 3. Intake Air Temperature Sensor (IATS) |
| 4. Boost Pressure Sensor (BPS) | 5. Engine Coolant Temperature Sensor (ECTS) |
| 6. Throttle Position Sensor (TPS) 18. ETC Motor |
7. Crankshaft Position Sensor (CKPS) |
| 8. Camshaft Position Sensor (CMPS) [Bank 1/Intake] | 9. Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] |
| 10. Knock Sensor (KS) | 11. Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] |
| 12. Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] | 13. Rail Pressure Sensor (RPS) 19. Injector |
| 14. Accelerator Position Sensor (APS) | 15. Ambient Temperature Sensor (ATS) |
| 16. CVVT Oil Temperature Sensor (OTS) | 17. A/C Pressure Transducer (APT) |
| 20. Purge Control Solenoid Valve (PCSV) | 21. E-CVVT motor [Bank 1/Intake] |
| 22. CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] | 23. Electric Waste Gate Actuator (EWGA) |
| 24. RCV Control Solenoid Valve | 25. Fuel Pressure Control Valve |
| 26. Variable Charge Motion Actuator (VCMA) | 27. Ignition Coil |
| 28. Fuel Pump Relay 29. E-CVVT Relay |
31. Data Link Connector (DLC) [16-Pin] |
| 32. Multi-Purpose Check Connector [20-Pin] | |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.