Hydra blowing fuel pump fuse - Power Hungry Performance Forum

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Hydra blowing fuel pump fuse

1999 to 2003 7.3L Power Stroke Diesel
7.3L Power Stroke Diesel equipped Super Duty and Excursion.

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#1

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Sun, May 28th, 2023, 10:36 PM

Chris113wig Chris113wig is offline

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Hydra blowing fuel pump fuse

Installed hydra with 1.5 injectors, ran fine for 6-8 months suddenly started blowing fuel pump fuse with key on

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#2

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Mon, May 29th, 2023, 03:06 AM

cleatus12r cleatus12r is offline

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You have a short somewhere. The Hydra cannot physically cause that issue.

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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
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#3

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Mon, May 29th, 2023, 11:11 AM

Jackpine Jackpine is offline

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Cleatus is correct. The short would have to be in the fuel pump electrical circuit, or anything else that is protected by that fuse. Is the fuse dedicated to the fuel pump?

- Jack

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