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Home >> Oldsmobile >> 2003 >> Aurora >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0230: Fuel Pump Control Circuit >> Test Description

Test Description

The numbers below refer to the step number in the diagnostic procedures.

  1. 4

    This step verifies that the PCM is providing voltage to the fuel pump relay.

  2. 5

    This step tests for an open in the ground circuit to the fuel pump relay.

  3. 6

    This step tests if voltage is constantly being applied to the control circuit of the fuel pump relay.

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