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Evaporative Emission Control System - 4.6L: Diagnosis Hyundai Genesis I рестайлинг

Testing & Diagnostics 4 illustrations ~321 words

[System Inspection]

  1. Disconnect the vapor hose from the throttle body and connect a vacuum pump to the nipple on the throttle body.
  2. Check the following points with applying vacuum using the vacuum pump. At Cold Engine [Engine Coolant Temperature < 60°C (140°F)] Engine Operating Condition Applied Vacuum Result Idle 0.5 kgf/cm 2 (50 kPa, 7.3 psi) Vacuum is held 3, 000 rpm At Warmed Engine [Engine Coolant Temperature > 80°C (176°F)] Engine Operating Condition Applied Vacuum Result Idle 0.5 kgf/cm 2 (50 kPa, 7.3 psi) Vacuum is held Within 3 minutes after engine start at 3, 000 rpm Try to apply vacuum Vacuum is released In 3 minutes after engine start at 3, 000 rpm 0.5 kgf/cm 2 (50 kPa, 7.3 psi) Vacuum will be held momentarily, after which, it will be released

Scheme 14

Scheme 14: [PCSV Inspection]
Scheme 14: [PCSV Inspection]
  1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
  2. Disconnect the PCSV connector (A).
  3. Disconnect the vapor hose (B) which is connected with the intake manifold from the PCSV.
  4. After connecting a vacuum pump to the nipple, apply vacuum.
  5. With the PCSV control line grounded, check valve operation when applying battery voltage to the PCSV or not. Battery Voltage Valve Vacuum Connected Open Released Disconnected Close Maintained
  6. Measure the coil resistance of the PCSV. Specification: 14.0 ~ 18.0 ohms [20°C (68°F)]

Scheme 15

Scheme 15: Removal
Scheme 15: Removal

Scheme 16

Scheme 16
Scheme 16
  1. Turn the ignition switch OFF and disconnect the negative (-) battery cable.
  2. Remove the service cover (A).
  3. Disconnect the fuel tank pressure sensor connector (A) and the canister close valve connector (B).
  4. Disconnect the vapor tube quick-connector (C), the vapor hose quick-connector (D), and the vapor hose (E) from the canister.
  5. Remove the fuel tank pressure sensor hose clip (F).
  6. Remove the canister after removing the installation bolt (G).

Scheme 17

Scheme 17: Inspection
Scheme 17: Inspection
  1. Check for the following items visually. Cracks or leakage of the canister Loose connection, distortion, or damage of the vapor hose/tube

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