Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Why does fuel pressure drops when electric fan turns on
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Old 03-27-2005, 09:47 PM
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The load of the fan coming on my be causing your alt to pull the rpm of the engine down low enough to cause poor fuel pump performance. Thats the only way I can think of a mechanical fuel pump would lose pressure under the coditions you stated.
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