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Home >> Saturn >> 2008 >> Astra XE, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - DTC P0341 To DTC P2544 >> DTC P0628 or P0629 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, command the fuel pump relay ON and OFF with a scan tool. Listen/feel for relay to click and for fuel pump to turn ON and OFF.
  2. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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