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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 364 (Engine Controls And Fuel - 5.3L, 6.0L & 6.2L - DTC P0443 Through DTC P3449 And Troubleshooting) >> Diagnostic Information and Procedures >> DTC P0443 >> Component Testing

Component Testing

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. 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 purge solenoid.
  2. Test for 18-28 Ω between the control terminal A and the ignition voltage terminal B.
    • If not within the specified range, replace the EVAP purge solenoid.
  3. Test for infinite resistance between each terminal and the EVAP purge solenoid housing.
    • If not the specified value, replace the EVAP purge solenoid.
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