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Power Valve Control Solenoid (Calif. Only)

  1. Remove hose from power valve (on carburetor), connect vacuum pump to hose and draw vacuum with ignition key "OFF". Vacuum should remain steady. If not, replace check valve. If vacuum remains steady, remove check valve and connect vacuum pump to hose and draw vacuum. Vacuum should remain steady. If not, replace power valve control solenoid.
  2. Connect vacuum gauge to hose from power valve. Start engine and run at idle, vacuum should be present. When engine is warm vacuum will drop.
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