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Home >> Chevrolet >> 2008 >> Impala SS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls And Fuel - 3.9L - DTC P0010 To DTC P0336) >> DTC P0230 >> Circuit/System Verification
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Circuit/System Verification

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With the ignition ON, engine OFF, command the fuel pump relay ON and OFF several times using the scan tool output control function. You should either hear or feel the relay click with each command.