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#31
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#32
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Time to get a little more organised. Disconect the out put of the lift pump. Crank the engine. Catch the output in a container if there is output.
If none pull the tank strainer and clean it plus blow compressed air down the fuel line with the fuel cap off. You could blow air down the line with the filter still in the tank to see if it would temporarily clear. If it did I would still remove it and clean it.Plus inspect the internal portion of the fuel tank or just clean it as well. Keep in mind that you may have fuel but the engine turn off may be disfunctional shutting off the ability of the injection pump to deliver. If fuel is coming out the return line of the injection pump when the engine is being cranked that is where I would look. Also if their is enough of an air leak at the supply hose at the fuel tank or in the fuel line the lift pump cannot suck fuel. |
#33
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your problems sounds very similar to the problem that i had not too long ago. After i swapped in a "New" Used lift pump, Fired Right Up!
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#34
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what is the engine turn off function you are referring to? Thanks |
#35
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already tried that Thanks
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#36
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You are going to have to get a little more organised to find out what is wrong. Again with the lift pump output disconnected is there fuel coming out when you crank? Your troubleshooting approach seems to be kind of a shot gunning approach. You are better off trying to isolate the area of difficulty first. Right now you still do not really know if it is before the output of the lift pump or after it. There was no harm removing and cleaning the filter in the fuel tank. That is just good preventative maintenance. I just re read all your posts. Remove the output line from the relief valve and put the end in a bottle. Crank the engine. If fuel is spurting out you have fuel. Then put some fluid in the bottle and submerge the hose end in it. Watch for air bubbles as the fuel level rises in the bottle. If none then you have a good supply of air free fuel. Once you have either proved or disproved you have good fuel supply then pay atention to the injection pump shutoff circuit. This area of the car is not hard if you go at it systematically. Last edited by barry123400; 11-08-2011 at 04:48 PM. |
#37
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I'll try the suggested and report back.
I Quote:
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#38
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Tried to get her running again 2 Sundays ago with fellow forum member, thanks Dex, but to no avail. I had to go to San Juan the next day so I had the car towed to a friends shop to see if he can work some magic while I was in PR. He's from PR so I thought there might be some mystical connection, the moon might have been in alignment or whatever, I was out of patience and just wanted to throw the car to a scrapper.
Anyhow, got a call today and he got it running by having his assistant crank the car while he was pumping the primer pump. I heard "proof of life" over the phone. I knew it was mine because all of his other cars in the shop are not diesels, well the shop Suburban is, but I would recognize the difference. He did not install any new parts, just had to reprime the system. Before he tried the 2 person pump and crank approach he tried the pull start method by towing behind his Suburban but that did not work either. I'll have to post some pics of the lift pump I pulled from the car earlier in the process of my diagnosis. Pretty nasty and gunked up. I guess that was the original culprit that caused the stall in the first place and then my inability to get the system reprimed after installing the new used lift pump. I'll post back tonight or tomorrow after I have a chance to drive it. the tally: new strainer ($32 ouch local indy) , used lift pump ($20) that I torn down and cleaned very well impressed with its design and field service ability), new primer pump ($20), 10 gallons of fresh diesel ($35), nitrile gloves, 3 t shirts that my wife will not wash, have to pressure wash the driveway of all the spilled stuff, at least 15 hours of precious weekend hours, a couple layers of skin missing from a few knuckles, hearing the car over the phone PRICELESS!!!!! Last edited by neumann; 12-12-2011 at 04:25 PM. |
#39
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#40
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Thanks, I did that and then I could not get it running again...nasty air got it in the way
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#41
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Could be a flat cam in the IP that drives the lift pump??? Time for a new IP or an electric pump.
Although, if you have fuel coming out of the cigar hose while cranking, the pump is working. |
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