ghosts??
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Senior User
Joined: Mar 2003
Posts: 112
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From: palmer,alaska
ghosts??
hey every1 i have a 2001 f-250 w/7.3td im wondering is my glow plug relay is going out, on november 3 i went to start my truck and i turned the ignition on the wts light came on for what has always seemed normal, and when i went to start it just kept turning over it wouldnt fire. eventually it started after tuning it over a couple times and letting the heat from the cylinders do the work. this has happened 3 times in november out of proabally a hundred times that it has started. all feed back is well appreciated
Post Fiend
Joined: Apr 2007
Posts: 7,241
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From: Powder Springs, East TN
Well your GPR or GP could be weak do you have alot of smoke when you get the truck started? Also how old are you batteries and do they have above 750 cold cranking amps? Synthetic oils also help out on cold starts when you do get the truck fired up, it runs alot smoother.
You can also plug the block heater up all night or just three hrs before you start the truck (located behind the drivers side tow hook).
https://www.ford-trucks.com/forums/7...pr-system.html
Here is a good write up complied to be able to check your GPs.
You can also plug the block heater up all night or just three hrs before you start the truck (located behind the drivers side tow hook).
https://www.ford-trucks.com/forums/7...pr-system.html
Here is a good write up complied to be able to check your GPs.
Thread Starter
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Senior User
Joined: Mar 2003
Posts: 112
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From: palmer,alaska
the truck is pluged in regularly. when its turning over but not starting it gets a little of white smoke, and when it accually starts it revs up a little with minor black smoke
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Senior User
Joined: Mar 2003
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From: palmer,alaska
well it was -5 this morning the voltmeter said 11.8 when i started the glowplug cycle, and after cycling it 2 times and failing to start it still said 11.8. on the third time it started and the volt meter went to 14.2
Tuned
Joined: Jan 2007
Posts: 413
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From: Holden,La.
cowbot49--11.8 volts is not enough to propely start these trucks. If my batteries get below 12 volts, I have a hard time starting mine when it is cold. I would replace the batteries and try it again. Remenber to replace both not just one.
goodluck and let us know what happens.
goodluck and let us know what happens.
