7 3 Idi Fuel Pump Leak

First attempt at starting.

7 3 idi fuel pump leak. Cold start would idle for 10 sec than die and cranked for. Causes no start 6 lift pump failure this will definitely cause a no start. Did better than i thought. How to turn up the fuel on a 7 3 idi this also works on a 6 9 idi.

91 7 3 idi new lift pump first cold start. I do notice. It didnt stall and die. The old pump leaked fuel and lost its prime.

A few tips and tricks on the 6 9 7 3 for diagnosing a hard start stall or even fuel leak tips. Learn fuel diagnostics duration. 7 3 power stroke diesel common problem. If any of your return lines or connections leak the injection pump will bleed back and the truck will be very hard to start after sitting.

One way to rule this out is to check the fuel bowl for fuel before and while cranking. If no fuel is in the fuel bowl fill the bowl up with clean fuel and if it starts replace the pump. It may briefly start and then stall. It is on my short list of things to repair.

Remember loosen all injection lines including the fuel intake li. I have already cracked the lines so yes they are already wet. 6 9l 7 3l idi pump injector install kitfits 1983 1994 our 6 9 7 3 idi injector pump installation kit includes plastic return fittings injector o rings and washers return line clamps and line seals. I recommend getting a pyrometer before doing this so you don t burn up the motor.