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Old Oct 22, 2010 | 09:10 PM
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hillybilly678's Avatar
hillybilly678
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Unhappy Help please

i'm haveing problems starting my 94 f series truck the glow plug light only stays on for like 2 seconds at the most and the solenoid does click if someone could help me out it would be very appreciated
thanks
nate
 
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Old Oct 22, 2010 | 09:38 PM
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I don't know much about diesels, so I have very little to go on. Do glow plugs have a specified resistance range? Can you check to verify the resistance is in spec?

Did the light stay on longer and only recently started going off very soon?
 
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Old Oct 22, 2010 | 09:47 PM
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it just started recently even after it has been running for a good time and i shut the truck off and leave it for an hour or so and it takes a really long time to get it going....and i'm not sure i just got the truck about a year ago for the spec's of the plugs
 
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Old Oct 22, 2010 | 09:47 PM
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Did this just start or has the problem gotten worse?

Did it take two or three tries to get it started before it finally quit?

How old's the battery(s)?
 
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Old Oct 22, 2010 | 09:50 PM
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so are you saying that the truck is hard to start even when it's warm, or are you saying the truck is hard to start even though it's not super cold?
 
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Old Oct 22, 2010 | 10:02 PM
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batteries are not even 6 months old and it takes like 7 or 8 trys weather the truck is warm or cold
 
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Old Oct 22, 2010 | 10:08 PM
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hard start might not be related to the glow plug system. It might have another problem. an old boss had a 94 the the 7.3 and he always had problems with either injectors or injector wiring (can't remember) and this made it a real pain in the *** to start.

If the glow plugs are not remaining on as they normally do, then it's in that system somewhere. I would determine how the truck determines how long to run the plugs for.

...and unfortunately, we have reached the end of my knowledge of diesel glow plugs. gonna have to wait for a real diesel guy to get on here.
 
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Old Oct 22, 2010 | 10:16 PM
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Might try asking on the diesel board. There's a TON of good help there... not saying this is the wrong place just saying you might get help faster there then here.
 
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Old Oct 22, 2010 | 10:17 PM
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well thank you for your help, you gave me a bit more to think about then starting off and buying glow pluggs and a new solenoid, and it not work for me
 
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