Help- Ford Expi 5.4 not getting fuel
Not so much an RV question but i know the folks on this forum are quicker to provide good answers than the Ford Forums and I am in a jam. Truck was running great then it stalled a light and would ...
Forum Discussion
Don't you hate it when someone posts a question, gets all kinds of help from the group and then doesn't come back to tell what happened?
In my research i found lots of threads like this going back several years but none had useful conclusions.
I had fuel at the rail but not enough.
I changed the fuel filter and it was pretty blocked up but it did not solve the problem.
I took a cheap bug sprayer filled with gasoline and put it to the fuel line aft of the filter and the truck fired right up. This is a great trick. About half the time the gas will melt the seals in the sprayer so it may be a one-time use, but it puts out about 45 psi and rules out a lot of trouble.
So then i knew it was in the tank. My first thought was that I got a bad pump (it was really cheap) so i went back and got a Bosch.
Still didn't work. THat led us to look at bad grounds because 80% of electrical problems on older cars are caused by bad grounds (Dave's rule)
SO i fount the ground and put it directly to a cleaned surface - still didn't work.
But I knew the problem was in the tank so finally I pulled the tank all the way out and found the hose going from the pump to the pump housing had a crack.
This never occurred to me because I had changed the pump and hose just six months ago.
But I don't remember the last time i changed the filter and it being clogged created the back-pressure that shortened the life of the hose.
I cheated and tried to change the pump without dropping the tank. THere's enough room in there with spare tire out of the way you can just drop a couple bolts and lower the tank without disconnecting everything. But in this case, the lack of visibility led to missing the damage to the hose.
So, to some future backyard mechanic who finds this thread via google some years out form AUgust 2015, I hope you found this mea culpa helpful. I also hope Bernie Sanders is president.
In my research i found lots of threads like this going back several years but none had useful conclusions.
I had fuel at the rail but not enough.
I changed the fuel filter and it was pretty blocked up but it did not solve the problem.
I took a cheap bug sprayer filled with gasoline and put it to the fuel line aft of the filter and the truck fired right up. This is a great trick. About half the time the gas will melt the seals in the sprayer so it may be a one-time use, but it puts out about 45 psi and rules out a lot of trouble.
So then i knew it was in the tank. My first thought was that I got a bad pump (it was really cheap) so i went back and got a Bosch.
Still didn't work. THat led us to look at bad grounds because 80% of electrical problems on older cars are caused by bad grounds (Dave's rule)
SO i fount the ground and put it directly to a cleaned surface - still didn't work.
But I knew the problem was in the tank so finally I pulled the tank all the way out and found the hose going from the pump to the pump housing had a crack.
This never occurred to me because I had changed the pump and hose just six months ago.
But I don't remember the last time i changed the filter and it being clogged created the back-pressure that shortened the life of the hose.
I cheated and tried to change the pump without dropping the tank. THere's enough room in there with spare tire out of the way you can just drop a couple bolts and lower the tank without disconnecting everything. But in this case, the lack of visibility led to missing the damage to the hose.
So, to some future backyard mechanic who finds this thread via google some years out form AUgust 2015, I hope you found this mea culpa helpful. I also hope Bernie Sanders is president.
