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Home >> Buick >> 2008 >> Lucerne CXS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.6L - DTC P2430 To DTC P2544 >> DTC P2444 >> Component Testing >> AIR Pump Dynamic Test

AIR Pump Dynamic Test

  1. Install a 50A fused jumper wire between the B+ terminal and 12 volts. Install a jumper wire between the ground terminal and ground.
  2. Observe for a pressurized air flow at the pump outlet.
    • If a pressurized air flow is not observed, replace the AIR pump.
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