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Jaguar & Triumph

  1. Release pressure from main fuel line at cold start injector and connect fuel pressure gauge. Disconnect negative lead from ignition coil and turn ignition switch "ON".
  2. Note pressure reading. Slow pressure drop is permissible; sudden pressure drop requires check of entire fuel system.
  3. On Jaguar only, operate fuel change-over switch on dash and recheck reading. Reading from both fuel tanks should agree. On all models, if pressure reading is not to specifications, replace fuel pressure regulator.
NOTE: Datsun recommends using Kent-Moore Electronic Fuel Injection Analyzer (J-25400) to perform tests on any component of fuel injection system. Follow manufacturers' instructions.
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