Land Cruiser

1983 Toyota Tercel DX, 2D Hatchback, StandardSECTION Land Cruiser
  1. Using a 3-way connector, connect a vacuum gauge to EGR vacuum hose. Start engine and run at idle speed.
  2. With coolant temperature below 86°F (30°C), vacuum gauge should indicate zero at 2000 RPM. When engine is warm, low vacuum should be present.
  3. Disconnect vacuum hoses from pipe "E" and "F" of VSV. Run engine at idle speed. Blow air into pipe "F" checking that VSV closes.
  4. Increase engine speed to above 1700 RPM. Blow air into pipe "F" checking that VSV opens. Reconnect vacuum hoses.
  5. If system performed as described, it is operating correctly. If not, test individual components and repair or replace as necessary.
Fig 1: EGR System (Land Cruiser)
G41562Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
RENDER: 1.0x

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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.