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Aftertreatment fuel manifold, valve, and sensor - Printable Version

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Aftertreatment fuel manifold, valve, and sensor - JMBT - 04-12-2020

Noticed today a leak coming from the pressure sensor on the aftertreatment fuel shutoff manifold. I pulled the sensor and a small amount of fuel came out. It smelled very old, but it got me thinking, I have a 2250 that has been demandated about 3 years now. Do I assume the shutoff valve is beginning to leak fuel? I know it should stay in the closed position with the Africa tuning, but could it still be weeping fuel?

Has anyone else had this happen?

I am thinking about just plugging it off at the filter head.