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EGR System (Except 2.6L)

  1. Check vacuum lines for correct routing. Warm engine to operating temperature. Some models with EGR delay timers must operate a minimum of 1-2 minutes for EGR to function.
  2. While watching EGR pintle, abruptly accelerate engine to 2000-3000 RPM. EGR pintle should open at least 1/8".
  3. Connect a vacuum pump to EGR valve. Idle engine and gradually apply a minimum of 10 in. Hg. EGR valve stem/diaphragm should move smoothly and engine should drop at least 150 RPM.
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