Pressure Relief Valve

Check air pump discharge pressure just as air starts to come out from relief valve discharge hole. Pressure should be 0.2- 0.35 kg/sq. cm (2.8-5.0 psi).

Fig 1: Air Injection System Schematic (With Air Control & Anti-Afterburn Valve)

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Fig 2: Air Injection System Schematic (M Engines)

Fig 3: Air Injection System Schematic (F Engine)