Your fuel pump may be on its way out. Check the fuel pressure on the shader valve on the filter housing. You can do it with a pencil type air pressure gauge, just wrap the gauge up in a rag or you'll take a diesel bath. You should see more than 30psi at a idle. Less than that and it is the pump.

 

Ok thanks, I'll check the pressure tomorrow. I'm not having any issues running off the rear tank. So is there anything else I should look into?


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