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Home >> Isuzu >> 1987 >> Impulse Base, Automatic, AW03-70 >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System >> Component Testing >> Mixture Control Valve

Mixture Control Valve

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  1. With engine running, disconnect rubber hose between mixture control valve and intake manifold. Plug intake manifold connection.
  2. If valve is operating normally, air will flow through valve for a few seconds after accelerator pedal is depressed to floor and quickly released. If air continues to flow after 5 seconds, replace mixture control valve.
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