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Home >> Saturn >> 2006 >> Relay 3.9 1, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.9L - DTC P0010 To DTC P0420 >> DTC P0106, P0107, or P0108 >> Circuit/System Verification

Circuit/System Verification

  1. If DTC P0641 or P0651 is also set, correct DTC P0641 or P0651 first.
  2. Inspect for the following conditions:
    • Disconnected, damaged, or incorrectly routed vacuum hoses
    • Manifold absolute pressure (MAP) sensor disconnected from the vacuum source
    • Restrictions in the MAP sensor vacuum source
    • Intake manifold vacuum leaks
    • Check for a properly functioning oxygen sensor. Refer to Scan Tool Data List .
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