Ok, I've got an 04 cummins with a BD TD and an Amsoil drop in. Other than that, it is stock. A couple of weeks ago, the truck randomly died out as if it ran out of fuel. Then it did it 4-5 more times that day. I wondered if it were the BD, so I returned the truck to stock, but then it did it one other time, so I wrote it off as water in the fuel as I had just tanked up.

Well, since I have run out of that fuel and retanked a few times, it has been going well. Today I decide to put the BD back on and a few miles later it does the same thing. The engine sputters a few times as if its running out of fuel then dies. So I pulled over and tried restarting, every time, it just died again. I got the BD and put it to "NO Added Power" and came home fine.

I don't know if these are coincidances (not spelled right I know) or if I have something else going on like a fuel pump. Anyone got any bells ringing after reading this?

Thanks.

 

do ya have a fuel pressure gauge ??

 

No sure don't

 

original lift pump ? How many miles?

 

As far as the lift pump, I don't know. I bought it just over two years ago. It now has 132k miles

 

Is your pump still on the fuel filter housing ? If so, it's probabaly the original one.

 

ok, so I left my TD on stock power and it worked for a while, now I'm letting the truck sit till I get the fuel pressure tested. So that brings me to this question. The dealership didn't want to just do a fuel pressure test (wanted a whole diagnostic), but after reading here and elsewhere online, I'm 99% sure that it is the lift pump. So anyone know of a good pressure testing tool? I looked at Adv Auto, but they don't carry ones for diesel.

Thanks in advance

 

Why don't you just replace the lift pump with a fass, airdog or what ever. Then get a fuel pressure gauge. Sorry dude, it's really hard to hear your problems and knowing the solution......

 

But wouldn't the smart thing to do be testing the fuel pressure to be 100% sure that it is the lift pump before I spend a couple hundred bucks?

 

The pump craps out and won`t push the fuel volume. If you want a easy way, disconnect the input supply at the cp3 banjo bolt and turn the key on and bump the starter without starting the engine with the fitting in a container. Takes two people to do without making a mess. If the pump is good you should see a volume of fuel fill the container, say about a quart in 30 seconds. But really you got the original pump mounted on the filter housing right. Replace it with aftermarket or get the original from Geno`s (TDR)

 

Ok, I've got a fuel pressure testing gauge. Anyone have a pic of where I need to screw it in? I know, I know, but I'm new, humor me

 

Just an FYI, changing the lift pump a few weeks back got me cranking again! Thanks!