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Home >> Jaguar >> 1994 >> XJ6 Base >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel System Pressure Release >> 4.0L

Fuel System Pressure Release: 4.0L

  1. On XJS, open trunk. Locate and disconnect fuel pump relay in right front corner of trunk. Relay is front-most relay (Silver relay with Yellow connector).
  2. On XJ6, open hood. Remove heated oxygen sensor/fuel pump relay from relay block. See Figure . On all models, start engine and let idle until engine stalls. Turn ignition off. Install heated oxygen sensor/fuel pump relay.