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Corrado, GTI, Jetta GLi & Passat

  1. Remove fuel pump relay from relay panel. On Corrado and Passat, activate fuel pumps using Remote Control (VAG 1348/3A). On GTI and Jetta GLi, activate fuel pumps using Remote Control (US 4480/3). On all models, measure voltage being applied to fuel pump when activating with remote control. Record voltage.
  2. Fuel volume is relative to voltage applied to fuel pumps. Activate fuel pumps for 30 seconds. Compare volume with values in the FUEL PUMP PERFORMANCE  table.
FUEL PUMP PERFORMANCE

Application psi (kg/cm(2 ) Min. Vol. In 30 Sec: Pts. (L)
Cabriolet, Fox, Golf & Jetta 29-36 (2.0-2.5) 1.0 (.5)
Corrado & Passat
10 Volts N/A 1.0 (.460)
11 Volts N/A 1.3 (.620)
12 Volts N/A 1.6 (.750)
GTI & Jetta GLi
10 Volts N/A .8 (.375)
11 Volts N/A 1.1 (.520)
12 Volts N/A .4 (.675)