Hyundai Sonata LF: Engine Control System / Purge Control Solenoid Valve (PCSV) Repair procedures
| 1. |
Turn the ignition switch OFF. |
| 2. |
Disconnect the PCSV connector. |
| 3. |
Measure resistance between the PCSV terminals 1 and 2. |
| 4. |
Check that the resistance is within the specification.
Specification: Refer to “Specification”
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| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
Disconnect the purge control solenoid valve connector (A). |
| 3. |
Disconnect the vapor hoses (B) from the purge control solenoid valve. |
| 4. |
Remove the installation bolt (C), and then remove the PCSV (D) from the engine. 
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| • |
Install the component with the specified torques. |
| • |
Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing. |
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| • |
Use care to keep foreign material out of the valve.
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| 1. |
Install in the reverse order of removal.
Purge control solenoid valve bracket installation bolt: 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
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Description
Continuous Variable Valve Timing (CVVT) system advances or
retards the valve timing of the intake and exhaust valve in accordance
with the ECM control signal which is calculated by the engine speed and
load...
Other information:
Removal
Smart Key Unit
1.
Disconnect the negative (-) battery terminal.
2.
Remove the glove box.
(Refer to Body - "Glove Box Upper Cover Assembly")
3.
Remove the smart key unit (B) after disconnecting the connectors (A) and loosening the bolt and nut...
C..
CVVT Oil Control Valve (OCV) Description and Operation