Thread: Injection pump check valve
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Old 04-25-2019, 11:36 PM
tangofox007 tangofox007 is offline
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Quote:
Originally Posted by Alec300SD View Post
It prevents drain-back of the fuel when the engine is not running
It (the suction valve) primarily prevents the fuel pump from pumping fuel back to the tank. Which is exactly what happens if the suction valve fails to function properly.
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