1983 Volkswagen Rabbit Base, StandardFACTORY OEM SERVICE PROCEDURE

Preparation For Testing

  1. All CIS systems are very sensitive to air leaks. Check condition of rubber boots, hoses, and gaskets. Other areas of leakage are injectors, cold start valve, and PCV system (filler cap and dipstick).
  2. Install a pressure gauge to perform fuel pressure tests. On all models, pressure gauge is installed between the control pressure regulator and the center fitting on fuel distributor. See Fig 1 .
    Fig 1: Pressure Gauge Installation After installation, bleed pressure gauge by opening and closing valve several times.
    G34527
  3. To operate fuel pump with engine not running, disconnect fuel pump relay from relay panel. Insert a jumper wire into sockets that correspond to terminals 30 and 87 on relay. See Fig 2 .
    Fig 2: Jumper Wire Connection For Fuel Pump Testing (Saab Shown; Others Similar)
    G34528
  4. To operate fuel pump turn ignition on. Place pressure gauge as low as possible in engine compartment, then open and close valve 5 times to bleed gauge. Place valve in open position and hang in convenient location. Turn pump off.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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