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Home >> Renault >> 1983 >> LeCar 2D Hatchback >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Air Injection System >> Testing >> Check Valve
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Check Valve

  1. Remove check valve from system.
  2. Blow through valve in direction of air pump air flow. It should flow freely.
  3. Turn valve around and blow through opposite side. No air should go through.
  4. If valve acts in any other way, replace it.
Fig 1: Air Shut-Off Valve Choke controlled air shut-off valve prevents air form being injected into the exhaust manifold during cold starts.
G41477
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