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  • Q690 - Motor Plants

92. The fuel injector shown in the illustration is opened by fuel pressure acting upward on __________

92. The fuel injector shown in the illustration is opened by fuel pressure acting upward on __________
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Fuel pressure opens the injector by lifting the needle valve off its seat, overcoming the closing spring. Stationary components like parts 33 and 36, and the plunger within the fuel pump, do not initiate this opening action; the needle valve controls the spray holes.

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