Fuel Pressure Gauge issue? - Ford Powerstroke Diesel Forum
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Old 11-06-2011, 05:49 AM
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Fuel Pressure Gauge issue?

I have been experiencing an issue with my Isspro EV2 fuel pressure gauge. It's reading 100+ PSI, but I know that my truck isn't seeing that kind of fuel pressure.

I went through the wiring last night, and it's all in tact and good. I even ran new wires and soldered the joints.

I'm sure the gauge is out of warranty, as I have had it over a year. I'm hoping it's the sending unit that converts the fuel pressure to an electronic signal.

Any thoughts or experiences?

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Old 11-06-2011, 10:24 AM
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If you have a multimeter then use ISSPRO's troubleshooting guide to determine what is faulty:


I screwed up my fuel pressure gauge by reversing the connector (completely my fault). I told ISSPRO that when I called and they surprisingly told me to just ship it in. Try to check it first and then call. I was very surprised at how willing they were to help. ISSPRO curtomer service is top notch after my experience with them.
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