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Home › Peugeot › 1982 › 604 Standard Trans › Repair and Diagnosis › Engine Performance › Engine Control Systems › Exhaust Gas RECIRCULATION (Turbo) › Testing › Vacuum Check › EGR Valve

EGR Valve

  1. Disconnect hose from EGR valve and connect vacuum pump to valve. Apply 3.3-4.9 in. Hg. Diaphragm should start to move. Apply vacuum until 15.7-17.3 in. Hg is reached.
  2. Diaphragm should move smoothly until it reaches 4550-4650 RPM. Vacuum should be 0.0 in. Hg. If not, replace pump and converter assembly.
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