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Home >> Chevrolet >> 1999 >> Prizm Base, Automatic, A131L/MB3 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Emission Systems & Subsystems >> Fuel Evaporation >> Evaporation Emission (EVAP) Canister Vent Solenoid Diagnosis (1.0L & 1.3L)

Evaporation Emission (EVAP) Canister Vent Solenoid Diagnosis (1.0L & 1.3L)

  1. Disconnect EVAP canister vent solenoid electrical connector. Measure resistance between EVAP canister vent solenoid terminals. Resistance should be 25-30 ohms at 68°F (20°C). If resistance is as specified, go to next step. If resistance is not as specified, replace EVAP canister vent solenoid.
  2. Disconnect EVAP canister vent solenoid hose from EVAP canister. Blow into EVAP canister vent solenoid hose that was disconnected from EVAP canister. Air should pass through EVAP canister vent solenoid. See Figure or Figure .
  3. Apply battery voltage and ground to EVAP canister vent solenoid terminals. With EVAP canister vent solenoid energized, blow into EVAP canister vent solenoid hose that was disconnected from EVAP canister. Air should NOT pass through EVAP canister vent solenoid and exit from other end. If operation is not as specified, replace EVAP canister vent solenoid.
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