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Home >> Mazda >> 1985 >> RX-7 S >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Evaporation System >> Component Testing >> Evaporation Line

Evaporation Line

  1. Disconnect evaporation hose from canister. Connect detached hose to a "U" tube type pressure gauge filled with water.
  2. Gradually apply low air pressure into "U" tube so that difference of water level reaches 14" (356 mm).
  3. Bind inlet of "U" tube and leave bound for 5 minutes. If water level drops no more than 1" (25 mm) after 5 minutes, evaporation line is in good condition.
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