Still starting/fuel problems
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Senior User
Joined: Sep 2004
Posts: 115
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From: Lisle
Still starting/fuel problems
To recap I was having hard problems starting the truck in the cold. So I changed out the batteries, glow plugs, glow plug relay and the fuel filter and it still dosen't like to start when it is cold. It starts sometimes after about 10mins of trying. The rpms come up to about 500 cranking it and will try to catch but dosen't. So what I have been doing is spraying some starting fluid in the intake tube. Then the truck starts right up. Any ideas?????
Junior User
Joined: Jan 2004
Posts: 86
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From: Jefferson, Iowa
Well, I'm not sure what your problem is but DO NOT use starting fluid on these engines. This could be the cause of your problem. I have heard of using WD 40 instead but starting fluid is a no no. Possible damage can result with the use of ether.
Lead Driver
Joined: Jan 2005
Posts: 7,782
Likes: 221
From: Huntington Indiana
how cold is cold?? do you plug in when below 20? are you running #2 fuel? If you are using #2, try using premium diesel. also try a diesel fuel additive with extra cetane for easier starting. I run all this winter in Michigan with extra cetane in all my farm equipment, pickups with no problems. worth the extra. My cetane comes with the fuel I order from the fuel supplier. Hope this helps.
Junior User
Joined: Aug 2004
Posts: 50
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From: Ohio
Hey! You need to check fuel pressure and coolant temperature sensor value. It fired right off with ether due to lack of fuel. A healthy diesel should spuuter, cough or misfire cold without any glow plug action or block heater. Keep in mind the HPOP needs to be in range also.
Thanks, Tony D.
Thanks, Tony D.
Posting Guru
Joined: Nov 2000
Posts: 1,005
Likes: 1
From: Cincinnati, Ohio
Take a jumper cable and jump from one big terminal to the other on the glow plug relay. Leave it on for 60-90 seconds, disconnect and try starting it. If this works then you have a problem with either the glow plug relay (even if it is new) or the control system. I am not real familiar with the electronics that tell the glow plug relay to turn on or not so I cannot help there - all I can tell you about that is the ECM grounds one of the small wires which activates the relay and turns on the glow plugs.
With the key off you should have battery voltage at one large terminal on the glow plug relay. When you first turn the key on, you should have battery voltage at one small and both big terminals, after the glow plug cycle is done you should have battery voltage at one big and two small terminals.
I hope this gets you started.
Dave / Believer45
With the key off you should have battery voltage at one large terminal on the glow plug relay. When you first turn the key on, you should have battery voltage at one small and both big terminals, after the glow plug cycle is done you should have battery voltage at one big and two small terminals.
I hope this gets you started.
Dave / Believer45
Lead Driver
Joined: Jan 2005
Posts: 7,782
Likes: 221
From: Huntington Indiana
also, I have had to run a separate ground from the relay to the battery to get a good contact. This solved a lot of problems.
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Posting Guru
Joined: Nov 2000
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From: Cincinnati, Ohio
Originally Posted by bigredtruckmi
also, I have had to run a separate ground from the relay to the battery to get a good contact. This solved a lot of problems.
Dave / Believer45
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Thread Starter
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Senior User
Joined: Sep 2004
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From: Lisle
I can't plug in the truck since I moved to an apartment complex. I just started using so diesel fuel addictive to see if the stuff actually works. I hear the glow plug relay click on when I turn the key to the on position but I will go make sure and check to see it is actually doing its job.
Lead Driver
Joined: Jan 2005
Posts: 7,782
Likes: 221
From: Huntington Indiana
after you turn the key, it should click then after a bit depending how warm it is outside it could take from 3 to 30 seconds depending on how cold it is. Today Monday Feb 7 it is about 40 here in Michigan and it took about 10 seconds for the little glow wire to go out, on the dash. If your glow plug indicator goes right out when you turn the key on, then it is a problem with the relay.
Freshman User
Joined: Apr 2004
Posts: 40
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From: Southwest, Virginia
Have you checked the oil level in the HPOP? My '95 was hard to start when cold, changed the glow plugs and relay, still hard to start. Had it checked out and found the my HPOP was going bad and the oil level in it was leaking down overnight. Just a suggestion to check.
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Senior User
Joined: Sep 2004
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From: Lisle
Originally Posted by bigredtruckmi
have you tried this.... cycle it once wait 10 seconds then cycle again then try starting
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Senior User
Joined: Sep 2004
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From: Lisle
Originally Posted by JR270
Have you checked the oil level in the HPOP? My '95 was hard to start when cold, changed the glow plugs and relay, still hard to start. Had it checked out and found the my HPOP was going bad and the oil level in it was leaking down overnight. Just a suggestion to check.