What is going on?? 2004 Durango, 5.7L, 200k miles, starts but will not stay idling without using starter fluid and when I stop spraying the starter fluid it stalls
2004 Durango, 5.7L, 200k miles, starts but will not stay idling without using starter fluid and when I stop spraying the starter fluid it stalls
Fuel pump failure is the most common, check for a brief battery power when you first turn the key on at the fuel pump connector, if you have power then check the ground supply, so if you have both power and ground and the pump won't run, you can try banging on the bottom of the fuel tank while someone tries to start it, if it does start do not shut it off until you get to where you are going to drop the fuel tank and replace the pump assembly.
@tennisshoes: Fuel pump "hums" when key is turned on like I've been told it's supposed to. How do I tell if the ground supply is good? Where/how would I find out?
The ground wire will be attached to the frame close to the fuel tank, you can follow it right off the fuel pump connector, but if the fuel pump is humming then it is running, now the big question is if it is making enough pressure, so now you need a fuel pressure tester to hook in the system to find out just how much it is making and it's delivery rate. I still suspect with that kind of miles that the pump is bad but a pressure test will confirm that. As the fuel pump, level sender and filter are all one assembly, it all has to be replaced as one unit, they are available aftermarket so you won't have to pay the dealer exorbitantly high price, but it still won't cheap. So test the fuel pressure and then go from there.
Thank You tennisshoes!!!
There is another thing you might check and that is the injector fuse in the power distribution box, if it is blown the injectors will not fire, I was looking to see if there was something that I could have missed and that was the only other thing I found as it runs on starter fluid.
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