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Home >> Chevrolet >> 2015 >> Camaro LS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls And Fuel - 6.2L (L99 LS3 LSA) Or 7.0L (LS7) - DTC P0335 To DTC P3449 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0443: Evaporative Emission (EVAP) Purge Solenoid Valve >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.

Static Test

  1. Ignition OFF, disconnect the harness connector at the Q12 Evaporative Emission Purge Solenoid Valve.
  2. Test for 10-30 Ω between the control circuit terminal 2 or B and the ignition circuit terminal 1 or A.
    • If not between 10-30 Ω 

      Replace the Q12 Evaporative Emission Purge Solenoid Valve.

    • If between 10-30 Ω 
  3. All OK.

Dynamic Test

  1. Ignition OFF, disconnect the harness connector at the Q12 Evaporative Emission Purge Solenoid Valve.
  2. Install a 3 A fused jumper wire between the ignition terminal 1 or A and 12 V. Install a jumper wire between the control terminal B or 2 and ground.
  3. Verify the Evaporative Emission Purge Solenoid Valve turns on and off/clicks and flows vacuum.
    • If it does not turn on and off/click or flow vacuum 

      Replace the Q12 Evaporative Emission Purge Solenoid Valve.

    • If it does turn on and off/clicks and flows vacuum 
  4. All OK.
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