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Home >> Volkswagen >> 1985 >> Quantum Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH Cis-E >> Testing >> Fuel Delivery & System Pressures >> Transfer Pump Delivery Volume
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Transfer Pump Delivery Volume

  1. Check voltage supply to pumps. Connect Jumper Switch (US 4480/3) in place of fuel pump relay. Remove fuel filler cap. Disconnect and plug Black fuel line from sending unit.
  2. Connect hose to sender port and place opposite end in measuring container. Turn on fuel pumps. Minimum transfer pump delivery volume should be .42 qts. (.4L) for 10 second period. Reconnect fuel line to sender.
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