Medium and Heavy Trucks
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Hi my name is***** year is this truck and also what are you getting for fault codes?
Thanks for the update. Check the fuel line between the tank and pump for restrictions or leaks causing a starvation of fuel by installing a clear hose inline to watch for bubbles indicating air in the system or fuel bleading back to tank. Install a mechanical gauge to watch for a drop in fuel pressure as well. Low fuel pressure can be caused by leaks, restrictions, faulty transfer pump or pressure regulator. Let me know