SERVICE MANUAL
  Applies to: Hyundai Coupe/Tiburon 1998-2001
GROUP
Emissions Control System Evaporative Emission Control System
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VACUUM HOSEá

Engine coolant temperature: 80-95░C (176-205░F)

  1. Disconnect the vacuum hose from the intake manifold purge hose nipple and connect a hand vacuum pump to the nipple.

  1. Start the engine and check that, after raising the engine speed by racing the engine, vacuum remains fairly constant.

    NOTE
    If there is no vacuum created, it is possible that the intake manifold port may be clogged and require cleaning.
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INSPECTIONá
NOTE
When disconnecting the vacuum hose, make a mark on it so that it can be reconnected to its original position.
  1. Disconnect the vacuum hose from the solenoid valve.

  1. Detach the harness connector.

  1. Connect a vacuum pump to the nipple to which the red-striped vacuum hose was connected.

  1. Apply vacuum and check when voltage is applied to the evaporative emission canister purge solenoid valve and when the voltage is discontinued.

    Battery voltage
    Normal condition
    When applied
    Vacuum is released
    When discontinued
    Vacuum is maintained
  1. Measure the resistance between the terminals of the solenoid valve.

    RESISTANCE SPECIFICATION
    EVAP Canister Purge Solenoid Valve: (Coil resistance) 26 [at 20░C (68░F) O
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CHECKING PURGE SYSTEMá