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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (Engine Control System & Fuel System - 3.6L - DTC P0335 To DTC P2097) >> DTC P0449, P0498, or P0499 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the EVAP vent solenoid valve.
  2. Test for 20-24 ohms of resistance between the terminals of the EVAP vent solenoid valve.
    • If not within the specified range, replace the EVAP vent solenoid valve.
  3. Test for infinite resistance between each terminal of the EVAP vent solenoid valve and the EVAP vent solenoid valve housing.
    • If less than the specified range, replace the EVAP vent solenoid valve.
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