Engine/Transmission (1998.5 - 2002) fuel pressure

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Start with a search on the forum. There are a TON of threads about it.



My suggestion is a mechanically isolated mechanical gauge (very little to fail). No less than 5psi at WOT. Idle pressure will vary depending on mods.
 
Alot of people have had good luck with a good old electric gauge and sending unit from Genos. I have been running one now for 2 years and have had no problems. Stock lift pump on my truck was 15 dropping to 7 at WOT. This was with alot of mods. As long as you see 10+ at idle and no less than 6 at WOT with a stock engine you should be okay. Dodge will not replace lift pump unless its way under 10 at idle.
 
Get a tapped banjo bolt from Genos, a 5psi normally closed Hobbs pressure switch from your local auto parts store, and a small 12v colored light. Wire 12v to one side of the switch, the other side goes to one side of the light, the other side to ground. If your fuel pressure goes below 5psi the light will come on.
 
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