EGR System (Federal)

1989 Eagle Summit LX, 1.6 Y, StandardSECTION EGR System (Federal)
  1. Disconnect vacuum hose (Green striped) from throttle body. Connect a hand vacuum pump to vacuum hose.
  2. Start engine. Let idle. With engine coolant temperature 122°F (50°C) or less, apply vacuum (no specification). Vacuum should leak.
  3. With engine coolant temperature 185°F (85°C) or more, apply 1.7 in. Hg. Vacuum should be maintained. Apply 7.5 in. Hg. Engine should exhibit slightly unstable idle condition.
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.