5 cyl. injection pump need oil?

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Sep 27, 2020 | 10:08 PM
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I have driven a diesel since 1975 and never paid attention to the red filler cap on the injection pump. Is that OK?
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Apr 10, 2023 | 06:26 PM
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Diesel injection pumps get their oil from the engine. Not sure what red cap you are talking about.
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