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Fuel Pressure Dropping
I'll see if I can do that. The 15 psi started immediately after I had to have the fuel pump replaced and was like that 2-3 years until the fuel filter was changed. Almost like something happened during the filter change...- Rub
- Post #5
- Forum: 5.9L Engine and Transmissions (2003-2007) Archive
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R
Fuel Pressure Dropping
Pretty sure it's a mechanical gauge, tapped into the bottom of the fuel filter housing.- Rub
- Post #3
- Forum: 5.9L Engine and Transmissions (2003-2007) Archive
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Fuel Pressure Dropping
I have an '06 with 135k on it. Fuel pump was replaced a couple of years ago (stock). Fuel pressure on Isspro gauge was around 15 stock, and would drop several points when I had the Smarty Jr on and set to performance and got on it. I figured that to be normal. Couple of weeks ago I was going to...- Rub
- Thread
- Replies: 5
- Forum: 5.9L Engine and Transmissions (2003-2007) Archive