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Spectrum Turbo

  1. Install Fuel Pressure Gauge (J-33945) between pressure regulator and fuel distributor pipe. Unplug VSV at connector. Start engine and measure fuel pressure under the following conditions:
  2. Disconnect pressure regulator vacuum hose. Plug intake manifold side of hose. Fuel pump pressure should be about 35.6 psi (2.5 kg/cm2 ). Reconnect pressure regulator vacuum hose.
  3. Run engine at 900 RPM. Fuel pump pressure should be about 28.4 psi (2.0 kg/cm2 ). Remove fuel pressure gauge. Reconnect fuel line.
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