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When it's cold
When it's cold (below 40 degrees) I plug my truck in. In the mornings it starts and runs no problem. Problem is when I get to work and it sits for 8 or so hours and the temp doesn't rise or it gets colder thru the day it will start and run for bout 10 seconds then rev up and die. It would take a few mins of cranking to get it started again but it would start and run fine. Now its getting to where the 2nd time it starts it runs for bout 20 seconds and dies. I run the batteries down tryin to start it and have to jump it with 2 trucks and it still takes about 30 mins hooked up to both trucks before it will start. Once it starts and runs a bit I'm good all the rest of the day. This past weekend we went camping and I didn't think to plug it up and next morning started it (temp was bout 35ish) and ran bout 10 seconds died. Started a second time ran bout 39 seconds and died. Tried the rest of the day off and on to crank it to no avail. Had a buddy come out and we hooked it to his truck and my wife's truck and tried about an hour. No luck. Plugged it in and next morning (temp was bout 45) after a couple attempts it started ran 10 seconds and died. Cranked it again started and ran just fine the rest of the day
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How long does it take to hit the first time? If it is starting right up, then dying, look for a fuel supply/air intrusion issue. If that first try takes a bit before it hits, the look for possible bad glow plugs. Have you tried to hold the throttle wide open until it catches and runs? I realize that isn't the ideal method, but it will tell you if there is a fuel/air problem, or if it is glow plugs. If it is glow plugs it'll usually keep running after it coughs and spits a little. If it's air, it will die no matter what you do, until you replace the air with fuel.
1993 F-350 crew cab non-turbo 5 speed transmission
35 years a mechanic on large stationary engines natural gas and diesel fired, and other industrial equipment.
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Join Date: Jan 2006
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Quote:
Originally Posted by Jbh1106
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When it's cold (below 40 degrees) I plug my truck in. In the mornings it starts and runs no problem. Problem is when I get to work and it sits for 8 or so hours and the temp doesn't rise or it gets colder thru the day it will start and run for bout 10 seconds then rev up and die.
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Quote:
This past weekend we went camping and I didn't think to plug it up and next morning started it (temp was bout 35ish) and ran bout 10 seconds died. Started a second time ran bout 39 seconds and died.
Heavy truck and diesel mechanic (thankfully retired after 30+ yrs)
'91 F-250 SC 4X4, 5spd. ATS Turbo, 3:55 diff.
Senior Member
I was having this problem with one of mine, installed a check value inline before the mechanical fuel pump starts like it should now.
Thank y'all. Since this post I was able to find a parking spot at work where I can run an extension cord and plug it in. Since I've been doing this I have had no issues with it dying after it starts. Any ideas as to why I don't have issues when its plugged in?
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This is a good short-term remedy but you are doing the right thing by investigating the cause since it will get worse.
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2002 F-250 4x4 CC SB 7.3 PSD w/4R100. 182,000 miles.
NOS Black CPS. ScanGauge-II, AIC, Bilstein 5100, Stancor GPR, Marinco Mod, B&W Turnover Ball, Michelin Defender LTX
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2002 F-250 4x4 SC LB 7.3 PSD w/ZF-6. 177,000 miles.
NOS Black CPS. ScanGauge-II. Bilstein 5100. Stancor GPR. Walker BTM. Noco Mod. Michelin Defender LTX 285/75/16.
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2000 F-250 4x4 SC SB 7.3 PSD w/4R100. 164,000 miles.
NOS Black CPS. Rebuilt Fuel bowl w/gold spring, 6.0 Cooler, Walker BTM, Stancor GPR, Michelin LTX M&S2.
Senior Member
Your glow plugs are weak. Use an ohm meter, after it sits overnight check tip of the glow plug to ground. It should read somewhere around .2 ohms. If they read higher they are shutting down too soon. If they read lower, they might be shorted out. At that point you can pull them out and test them with voltage, and watch to see if they glow red all of the way to the tip. If they don't, toss them, and replace with Motorcraft ZD9 glow plugs
1993 F-350 crew cab non-turbo 5 speed transmission
35 years a mechanic on large stationary engines natural gas and diesel fired, and other industrial equipment.
Thank you. Being that I have no idea if or when the glow plugs have been replaced and even tjo theres only 155,000 miles on the truck I'm going to replace them and see where that goes. I'll keep ya posted
Lifetime Supporting Member
^^^THIS^^^
But it still sounds like more than just a GP issue if it won't start at 40*.
But it still sounds like more than just a GP issue if it won't start at 40*.
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2002 F-250 4x4 CC SB 7.3 PSD w/4R100. 182,000 miles.
NOS Black CPS. ScanGauge-II, AIC, Bilstein 5100, Stancor GPR, Marinco Mod, B&W Turnover Ball, Michelin Defender LTX
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
2002 F-250 4x4 SC LB 7.3 PSD w/ZF-6. 177,000 miles.
NOS Black CPS. ScanGauge-II. Bilstein 5100. Stancor GPR. Walker BTM. Noco Mod. Michelin Defender LTX 285/75/16.
SOLD:
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2000 F-250 4x4 SC SB 7.3 PSD w/4R100. 164,000 miles.
NOS Black CPS. Rebuilt Fuel bowl w/gold spring, 6.0 Cooler, Walker BTM, Stancor GPR, Michelin LTX M&S2.
Senior Member
Quote:
Originally Posted by ArcticDriver
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^^^THIS^^^
But it still sounds like more than just a GP issue if it won't start at 40*.
But it still sounds like more than just a GP issue if it won't start at 40*.
1993 F-350 crew cab non-turbo 5 speed transmission
35 years a mechanic on large stationary engines natural gas and diesel fired, and other industrial equipment.
Lifetime Supporting Member
Quote:
Originally Posted by oldrebuiltdodge
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Quote:
Originally Posted by ArcticDriver
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^^^THIS^^^
But it still sounds like more than just a GP issue if it won't start at 40*.
But it still sounds like more than just a GP issue if it won't start at 40*.
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2002 F-250 4x4 CC SB 7.3 PSD w/4R100. 182,000 miles.
NOS Black CPS. ScanGauge-II, AIC, Bilstein 5100, Stancor GPR, Marinco Mod, B&W Turnover Ball, Michelin Defender LTX
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
2002 F-250 4x4 SC LB 7.3 PSD w/ZF-6. 177,000 miles.
NOS Black CPS. ScanGauge-II. Bilstein 5100. Stancor GPR. Walker BTM. Noco Mod. Michelin Defender LTX 285/75/16.
SOLD:
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
2000 F-250 4x4 SC SB 7.3 PSD w/4R100. 164,000 miles.
NOS Black CPS. Rebuilt Fuel bowl w/gold spring, 6.0 Cooler, Walker BTM, Stancor GPR, Michelin LTX M&S2.
Senior Member
The only other thing it can be is fuel, he eliminated that by plugging it in and it starts and continues to run. If it was fuel, it wouldn't do that. If you start it on weak, but still operational glow plugs, and just let it idle, it will do just what he is describing (which is why I told him to lay on the throttle to try to start it). Hit then die because the cylinders are still too cold for the heat of compression to carry on. I usually get these things when they are where no lone else wants them. A couple of the old girls did just what he described. Glow plugs cured the trouble, and they would still start in 0* weather too without the block heater. With the new glow plugs of course.
1993 F-350 crew cab non-turbo 5 speed transmission
35 years a mechanic on large stationary engines natural gas and diesel fired, and other industrial equipment.
New glow plugs installed just waiting for it to get cold again. New issue. For the last couple of weeks it has started to rough idle. I noticed fuel leaking from on top of the filter housing. Investigated and determined the o-ring on the fuel heater was bad. So I figured that's where air was getting in. Where can I get this o-ring. None of the parts stores here have one that will work even the Ford dealer doesn't have it (I can get a new heater with the o-ring for only $288). Every o-ring I have tried is to fat and wont let the heater set right in the filter housing or is not wide enough. I went ahead and put it back together with a regular o-ring just to see if it would work and it's worse now than before. I cant make it around the block without it dying when I come to a stop.
Last edited by Jbh1106; Today at 09:20 AM.
Senior Member
Quote:
Ford dealer doesn't have it (I can get a new heater with the o-ring for only $288).

Heavy truck and diesel mechanic (thankfully retired after 30+ yrs)
'91 F-250 SC 4X4, 5spd. ATS Turbo, 3:55 diff.
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