Stall / will not restart
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Senior User
Joined: May 2007
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From: Covington, Ga.
Stall / will not restart
I was using my truck to pull out some bushes todayon a landscaping job. I had a chain hooked to the front tow hooks and the other end around the base of the bush. It was a stubborn one, and on one particular pull the truck stalled at the moment the tension on the chain increased. the truck quickly restarted and then proceded to stall 3 more times under the exact same conditions... After the last stall the truck would not run. I was low on fuel but i don't think i was low enough for that to cause the problem. I added 4 gallons anyway. still no start. I checked the oil and it was also low so I added oil. still no start. The engine was cranking (sounded normal) for about 10 seconds and then it would start acting like it wanted to start but would not. I checked all my fuses and all were good. I am currently charging the batteries to get them back up to good voltage. I am at a loss here... I can not figure why it stalled, it has never done that before, 
and furthermore why it will not start.
any suggestions on what to check will be GREATLY appreciated.
Please Help
and furthermore why it will not start. any suggestions on what to check will be GREATLY appreciated.
Please Help
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Joined: Mar 2008
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Depends how low on oil you were - low enough, and you may have gotten air in the system. The HEUI injection system uses oil to drive the injectors - no oil, or too much air in the system, and you get no fuel. After adding oil to bring it back up, it may take some cranking to get it going. Once your batts are charged and you crank, take a look and see if you're getting white smoke out of the exhaust. If so, your injectors are moving fuel, so start looking elsewhere. Other idea is a dead CPS sensor. Easy to replace in the field, and relatively cheap - most of us carry a spare.
Lead Driver
Joined: Jun 2007
Posts: 7,760
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From: Hampton, Maryland.
Check your fuel bowl. Empty it with the yellow lever. Put a drain pan underneath the truck to catch the diesel. Take the lid off and filter out. Then turn the key forward and see if it fills the bowl back up in a few seconds. It sounds to me like you have clogged screens in the tank. You ran it low, at an angle and sucked up all the debris. If the bowl doesn't fill back up or the stream coming in is weak, you could try unhooking the rear fuel line behind the pump and blowing compressed air back through the line to clear the blockage.
Lead Driver
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From: Hampton, Maryland.
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Senior User
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From: Covington, Ga.
My fuel was low but not low enough to start all this (i think) the needle was above the E line when the problem occured.
What could have made the truck stall under load like it did? it shut down almost instantly when the chain tightened up against the load.
What could have made the truck stall under load like it did? it shut down almost instantly when the chain tightened up against the load.
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Jason may have nailed it - your fuel was low. The jarring from yanking while chained to something would have stirred any junk in the little amount of fuel in your tank, easily allowing it to get sucked into the pickup screen. We now know that you're not getting fuel out of the exhaust (white smoke), so next step is to see if you're getting it at the fuel filter. If you are, then you're back to my first thought - air in the oil rails, keeping the injectors from firing the available fuel. You're getting there - keep at it.
Lead Driver
Joined: Jun 2004
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From: Amarillo, TEXAS!
Did it just die flat out, or did it run rough, sputter and die? Do you hear the fuel pump run when you turn the ignition to ON? You might have to stick your head under the driver door to hear it.
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Senior User
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From: Covington, Ga.
Fuel Bowl is Full.
It died, no sputtering.
I was basically putting the truck in reverse and applying Little/No throttle and allowing the weight of the truck to work. I never rolled backward more than 6 feet to yank at the bush. It put a good little bit of a bump into the tow hook when it grabbed but nothing i would consider abusive to the truck. When it "grabbed" the truck died and immediately restarted, running rough for a few seconds then smoothing out to normal quickly. This happened about 3 times and then didn't restart. The truck never sounded like it had air in the fuel throughout all of this.
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Senior User
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From: Covington, Ga.
Depends how low on oil you were - low enough, and you may have gotten air in the system. The HEUI injection system uses oil to drive the injectors - no oil, or too much air in the system, and you get no fuel. After adding oil to bring it back up, it may take some cranking to get it going. Once your batts are charged and you crank, take a look and see if you're getting white smoke out of the exhaust. If so, your injectors are moving fuel, so start looking elsewhere. Other idea is a dead CPS sensor. Easy to replace in the field, and relatively cheap - most of us carry a spare.
Doesnt the tachs movement while cranking rule out the CPS?
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From: Farmington, Minnesota
It really sounds like CPS, might be worth a try if that's not it you will have a spare.
Lead Driver
Joined: Jun 2007
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From: Hampton, Maryland.
Tach movement will usually rule out the pre-'02 trucks, yes.
You can pull the HPOP lines from the oil rail and add directly to them. I did that on mine during my o-ring debacle. I think that it certainly helped. The real issue here is we are all really guessing. What we need is to get some real diagnostics going. Do you know anyone that has the ability to run diagnostics and monitor live data on your truck?
You can pull the HPOP lines from the oil rail and add directly to them. I did that on mine during my o-ring debacle. I think that it certainly helped. The real issue here is we are all really guessing. What we need is to get some real diagnostics going. Do you know anyone that has the ability to run diagnostics and monitor live data on your truck?
Thread Starter
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Senior User
Joined: May 2007
Posts: 127
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From: Covington, Ga.
Tach movement will usually rule out the pre-'02 trucks, yes.
You can pull the HPOP lines from the oil rail and add directly to them. I did that on mine during my o-ring debacle. I think that it certainly helped. The real issue here is we are all really guessing. What we need is to get some real diagnostics going. Do you know anyone that has the ability to run diagnostics and monitor live data on your truck?
You can pull the HPOP lines from the oil rail and add directly to them. I did that on mine during my o-ring debacle. I think that it certainly helped. The real issue here is we are all really guessing. What we need is to get some real diagnostics going. Do you know anyone that has the ability to run diagnostics and monitor live data on your truck?
. all i have is fairly extensive Gas engine experience, tools and worry right now.Is there a manual test i can do to check for air in the HPO/injection system? I am assuming that my automotive oil pressure guage is useless on this truck?