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Old 11-13-2017, 09:11 PM   #1
Mini-Skoolie
 
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Back from dealership, still won't start

Hey, I have a 97 International 3800 with a T444E and I brought it to the dealership because it ran fine one day and the next wouldn't fire. Cranks GREAT but won't fire.

3 days and $1700 later it has a new lift pump and it's "ready to be picked up" however it doesn't start in their lot, won't start with a boost, and I need to leave it there.

The next day I get a call that I need new batteries as well, so I buy 3 new batteries from them, still won't start. They try about 7 more times with a charger on it and finally it goes.

I leave with it running under the assumption that the new batteries need a full charge and then they'll work out but they don't. After parking it behind my place the subsequent 20 start attempts yield nothing. Batteries are fully charged, block heater has the engine warm to the touch, glow plug relay functions normal, new cam position sensor, but something weird that still won't let it fire.

Dealership says to bring it back and do an AVR and they can start looking for electrical issues but after $2k into a no-start and driving down there twice to pick it up but it still won't run I'm losing faith in them.

Any advice would be greatly appreciated.

Thanks in advance!
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Old 11-13-2017, 09:26 PM   #2
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Sorry I can't answer for your combination but dealership and there mechanics are rip offs.
There are others here that can help with your problem? Or at least more knowledge in the computer controlled world
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Old 11-13-2017, 09:51 PM   #3
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Check the regular fuel pump.

The lift pump will supply fuel, but really needs pressure from the fuel pump to work without becoming damaged.

A failed fuel pump could cause those symptoms. If it's fused, check that first.
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Old 11-13-2017, 10:23 PM   #4
Mini-Skoolie
 
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I'll try to get at it tomorrow, I think there's a floor access panel. Do I just pull one of the fuel lines and and see if it flows while cranking? Should it prime with the key turned to accessory?
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Old 11-13-2017, 10:28 PM   #5
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Originally Posted by MeloYelo View Post
I'll try to get at it tomorrow, I think there's a floor access panel. Do I just pull one of the fuel lines and and see if it flows while cranking? Should it prime with the key turned to accessory?
It should flow diesel when you turn on the ignition. Pretty much all modern vehicles do to pressurize a fuel rail (or lift pump). But others will have better info on this than I have.
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Old 11-13-2017, 10:34 PM   #6
Bus Nut
 
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I may be confusing you with bad information.

Here is a decent article:

Lift Pump Primer - Basic Training - Diesel Power Magazine

It appears that the lift pump IS the low-pressure pump, so I guess you need to find out if it is getting a steady flow, in and out.
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Old 11-13-2017, 10:48 PM   #7
Skoolie
 
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Your description of symptoms is very confusing. Does it crank away but not start or crank very slowly or not at all? If it cranks slow, check all battery connections, possibly bad starter. If it cranks away but not start, possibly blown ecm fuse caused by a shorted fuel heater or the glow plugs are not working.
Also if the oil is too thin it could cause a very hard start. Oil pressure fires the injectors when the solenoids open.
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Old 11-13-2017, 11:03 PM   #8
Mini-Skoolie
 
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Originally Posted by bluebird90 View Post
Your description of symptoms is very confusing. Does it crank away but not start or crank very slowly or not at all? If it cranks slow, check all battery connections, possibly bad starter. If it cranks away but not start, possibly blown ecm fuse caused by a shorted fuel heater or the glow plugs are not working.
Also if the oil is too thin it could cause a very hard start. Oil pressure fires the injectors when the solenoids open.
It cranks great, it always has. Where is the ECM fuse? I'll check it and see but the dealership plugged it in to their scanner one last time before I left. They looked honestly stumped and NOT confident that it was fixed.

I can try testing the glow plugs and I don't think an oil change would hurt either.
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Old 11-13-2017, 11:04 PM   #9
Mini-Skoolie
 
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If you have access to your fuel lines at the tank check your return line see if fuel is making it back. If not then look at filters or fuel pump. If your getting fuel back to the tank then you need to look into the computer controled injection system. The best way to do this would be to have a shop hook it up to thier scan tool to find engine codes.

Powerstroke 7.3 forums might have related info for your problem since the engines are very similar.

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Old 11-14-2017, 12:02 AM   #10
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BTW. $1700.00 for a lift pump is outrageous. Did they do other stuff too? Did they actually change the hi pressure pump?
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