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1994.5 - 1997 7.3L Power Stroke Diesel  

Bad cold starting problem

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Old Nov 4, 2007 | 06:12 PM
  #1  
jdecker88's Avatar
jdecker88
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From: Powder Springs, East TN
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Bad cold starting problem

Cold weather has came and my truck isn't liking it. I got the truck two months ago and it has been well kept. The both batteries were replaced in June and I think it had new glowplugs put in last winter. This morning it was about 39 degrees and it took me three minutes to get the truck started. It would crank occassionally catch and by the time I got the truck started it looked like the garage was on fire from all the white smoke boilin. Could it be the GP are blown again or the Relay? Where are they located on these OBS engines. Thanks guys!
 
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Old Nov 4, 2007 | 06:23 PM
  #2  
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The GPR (glow pulg relay) is located under the engine cover on the right (passengers) front of the engine, it looks like a stater solenoid. Turn you key on and see if you have power at both big connectors, if so then the relay is working. If not, then find the small wire that has power and then ground the "OTHER" small wire. Check the two big wires for power again. If still no power, you need a new relay.

You can always plug in the block heater.
 
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Old Nov 4, 2007 | 07:54 PM
  #3  
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Thanks I'll have to try that, my dad is dying to just jump on GP being out but I know from my SD that the relay could be the problem. Even if it is the relay should it be white smoking that bad? After it was warm it started just fine all day, the truck isn't drove that much here recently and don't know when I will usually but maybe I should use the block heater, just never had too on my SD just let the GP warm three times and fired right off.
 
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Old Nov 4, 2007 | 07:58 PM
  #4  
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yeah the relay is more than likely the problem. they go more often than the gp's do.
 
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Old Nov 5, 2007 | 08:32 AM
  #5  
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There is a heavy duty relay available thats an upgrade over stock. It's a Stancor Heavy Duty # 586-902.
 
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