Problems with F350 SD
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Problems with F350 SD
I have a 97 F350 with 250,000+ miles on it. I really don't know anything about diesel except general stuff so here is the problem
The wiring for the trailer harness was messed up. So we rewired it. There is an electric brake controller in the truck, we disconnected that. Then the ABS light came on and it would not shift once started. The towing company showed me how to bypass the senser. Then when towing home a trailer it lost power. I could only go 40mph. Got to where I needed to be then parked it.
I tried to start it to bring into the shop to look at it and now won't start.
Does anyone have any idea's as to why it would loose power then not run?
I was towing a trailer and was near the end of 150+ mile trip. Was going about 70+mph before it lost power.
Full of diesel and no warning light came on.
The wiring for the trailer harness was messed up. So we rewired it. There is an electric brake controller in the truck, we disconnected that. Then the ABS light came on and it would not shift once started. The towing company showed me how to bypass the senser. Then when towing home a trailer it lost power. I could only go 40mph. Got to where I needed to be then parked it.
I tried to start it to bring into the shop to look at it and now won't start.
Does anyone have any idea's as to why it would loose power then not run?
I was towing a trailer and was near the end of 150+ mile trip. Was going about 70+mph before it lost power.
Full of diesel and no warning light came on.
Fleet Mechanic
Joined: Feb 2004
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From: River Valley AR
How heavy was the trailer and how hard were you running? It sounds like you may have more than one issue going on. When you mentioned bypassing a sensor were they showing you how to put the truck in gear? If so then you may have blown a fuse during the wiring of the harness. If the brake lights won't work then the shifter won't unlock.
These trucks have a valve on the outlet of the turbo exhaust called an EBPV (Exhaust Back Pressure Valve) It closes to help the truck warm up and you lose alot of power when it is closed. Mine is still installed but many people prefer to remove them, especially in warmer areas. If your EBPV caused you loss of power, it should still let you start up without any problems.
Did you plug the injector harness back in? As Cookie88 stated, it WILL NOT run with the injectors unplugged. I would only unplug them to take readings to help troubleshoot, and be careful with them when you do.
These trucks have a valve on the outlet of the turbo exhaust called an EBPV (Exhaust Back Pressure Valve) It closes to help the truck warm up and you lose alot of power when it is closed. Mine is still installed but many people prefer to remove them, especially in warmer areas. If your EBPV caused you loss of power, it should still let you start up without any problems.
Did you plug the injector harness back in? As Cookie88 stated, it WILL NOT run with the injectors unplugged. I would only unplug them to take readings to help troubleshoot, and be careful with them when you do.
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What happened with the sensor, was I was waiting in line at a fast food place and my steering col. started to smoke, I turned the truck off b/c I didn't know what it was. When I went to turn it on to move it would start but not shift. The trick they should be was to turn the key a little shift to neutral then start the truck so it would move. They said it was a sensor in the col. that burned out.
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I was wrong on the mileage also it has 299+ on it. I was hauling a car trailer with a small car on it. I was going around 70-80 the whole time. It lost power and would not go over 40mph.
I checked the oil when I couldn't get it to start and read on here about the oil needing to be full. So I made sure it was full then we sprayed ether in it and got it to start.
It sounds horrible. We removed the connector to the valve covers two of them didn't make a difference, one we removed and the truck died, so I think it is the injectors, but not sure, I don't have a computer to hook it up to, working on that right now.
I checked the oil when I couldn't get it to start and read on here about the oil needing to be full. So I made sure it was full then we sprayed ether in it and got it to start.
It sounds horrible. We removed the connector to the valve covers two of them didn't make a difference, one we removed and the truck died, so I think it is the injectors, but not sure, I don't have a computer to hook it up to, working on that right now.
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Joined: May 2001
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From: Cabot, Arkansas
Originally Posted by Ford510
We removed the connector to the valve covers two of them didn't make a difference, one we removed and the truck died, so I think it is the injectors,
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Lead Driver
Joined: May 2000
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From: Senoia, GA
that sounds like my experiece. i was hauling a loade 25' enclosed trailer full of furniture and all of a sudden its like my truck hit the wall, lost power, egt's shot up and smoked like hell.
tunred out one of the glow plugs shorted out and took out a valve cover harness, 1 injector harness, and the outer VC gasket plug. replaced ALL glow plugs, the 1 injector harness, and both VC gaskets and all is good. she starts pretty easy now in the mornings!
-cutts-
tunred out one of the glow plugs shorted out and took out a valve cover harness, 1 injector harness, and the outer VC gasket plug. replaced ALL glow plugs, the 1 injector harness, and both VC gaskets and all is good. she starts pretty easy now in the mornings!
-cutts-
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The two that kept running were on one bank, the one that died was on the other. The connectors look almost like trailer plugs that go into the valve covers. I think you are right about the harness. We are still trying to get the computer, I have to look at the connector port and find out which one I can use and go from there.
I bought this truck from work, (work for a drilling company) and it has all highway heavy towing miles on it. I have all the paperwork from all the maintance on it. Got it for a great deal.
I know that it needs glow plugs also. She smokes pretty good when started. So there will be some money invested. I will try to post a pic of the truck soon so you can see what it looks like.
Thanks
Cheryl
I bought this truck from work, (work for a drilling company) and it has all highway heavy towing miles on it. I have all the paperwork from all the maintance on it. Got it for a great deal.
I know that it needs glow plugs also. She smokes pretty good when started. So there will be some money invested. I will try to post a pic of the truck soon so you can see what it looks like.
Thanks
Cheryl
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