General Information
In this manual: General Information
~1min read
SPECIFICATIONS
| System Components | Use | Note |
| Positive Crankcase Ventilation System PCV Valve | HC Reduction | Variable Flow Type |
| Evaporative Emission Control System Canister Purge Solenoid Valve | HC Reduction | Duty Control Solenoid Valve |
| Exhaust Emission Control System Air-Fuel Ratio Control Device – Multi-Point Fuel Injection (MFI) System Three-Way Catalytic Converter | Reduction of CO, HC, NOx Reduction of CO, HC, NOx | Closed-Loop Control by Oxygen Sensor Signal Block Type |
SPECIFICATIONS FOR ADJUSTMENTS AND INSPECTION
| Canister Purge Solenoid Valve Coil Resistance | 26 Ω [at 20°C] |
THREADED FASTENER TIGHTENING TORQUES
| Component | N·m |
| PCV Valve | 8 - 12 |
TROUBLESHOOTING
| Symptom | Possible Cause | Remedy |
| Engine Does Not Start or Is Difficult to Start | Vacuum hose disconnected or damaged Canister purge solenoid valve malfunction | Repair or replace Repair or replace |
| Rough idle or engine stalls | Vacuum hose disconnected or damaged PCV valve malfunction Evaporative emission control system malfunction | Repair or replace Replace Inspect the system. If a malfunction is found, inspect the components of related systems. |
| Excessive Oil Consumption | PCV line clogged | Inspect the PCV system |
Test yourself
A quick Hyundai Elantra CN7 quiz: every answer comes with an explanation and a link to the manual page.
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