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Home >> Peugeot >> 1987 >> 505 GL, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH Cis >> Testing >> Preparation For Testing

Preparation For Testing

  1. All CIS systems are very sensitive to air leaks. Check condition of rubber boots, hoses and gaskets. Other areas of air leakage are injector "O" rings, cold start valve, oil filler cap and dipstick.
  2. Install pressure gauge to perform fuel pressure tests. pressure gauge is installed in line between control pressure regulator and fuel distributor. See Fig 1 .
    Fig 1: Pressure Gauge Installation After installation, bleed pressure gauge by opening and closing valve several times.
    G35408
  3. To operate fuel pump with engine not running, remove steering wheel and lower left dash panel. Install jumper wire across terminals No. 30 and 87B of fuel pump relay socket.
  4. Install Switch Adapter (8.0141P) or Harness Kit (8.01412B) into wiring harness. Turn fuel pump on by depressing this switch on the harness adapter.
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