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Home >> Pontiac >> 2010 >> Solstice Base, 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls And Fuel - 2.0L - DTC P000A To DTC P0238) >> DTC P0087, P0088, or P0089 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
NOTE: Circuit/System Verification must be performed first or misdiagnosis may result.
  1. Verify the correct low side fuel system pressure. Refer to Fuel System Diagnosis (Except Saturn) or Fuel System Diagnosis (Saturn) .
  2. Remove the high pressure fuel pump and visually inspect the lobes on the camshaft for unusual wear.
    • If the lobes appear normal, replace the high pressure fuel pump.
    • If the lobes are worn, replace the camshaft.
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