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Home >> Volkswagen >> 1988 >> Fox Base >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH Cis-E >> Testing >> Fuel Delivery & System Pressures >> Transfer Pump Delivery Volume

Transfer Pump Delivery Volume

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