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Is there a reliable, quality Fuel Pressure Gauge out there ?
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That you mount on the fuel rail on the engine? To be honest, I have not heard of one that doesn't have fluctuations because of the heat change. My fluid-filled gauge gives flaky readings, but they are "consistently flaky."

What I mean by that is that the changes in readings are pretty much the same each time as the temperature/time variables are introduced in to the equation. Now I would think there's a fuel pressure gauge somewhere out there that is absolutely impervious to the temp/pressure changes that it gets subjected to under the hood (c'mon, we can put a rocket to the moon, right?) -- but I don't know of it and have never read a post in any of my favorite forums where it was mentioned and I've read a zillion posts where someone gets flustered because of the readings of their under-hood fuel pressure gauge.
