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Old Feb 20, 2006 | 05:57 PM
  #16  
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turbostroke
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Originally Posted by PSNut
I quote my Helm manual on Description and Operation:
"The glow plug system is electronically controlled by the PCM. If the temperature is below 55°C (131°F) the PCM will energize the glow plugs immediately after the key is placed in the ON position. Then, depending on the readings from the engine oil temperature (EOT) sensor and the barometric pressure (BARO) sensor, the PCM determines how long the glow plugs will be on. "

If the glow plugs aren't getting max current then they won't heat the cylinder as effectively therefore reducing burn efficiency.
Nut
Not to be rude PS- but if this is what you are going by, in no way can I gather from just this paragraph that this is, or can happen, during driving conditions. If driving conditions mean the first couple of minutes after start up then yes. If you are going down the highway at 65 and the glow plugs activate than no I can't agree with that either.
 
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Old Feb 20, 2006 | 05:58 PM
  #17  
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They will stay on while the engine is running. Right here from international's web site:
http://www.international-engines.com...ke/cap_a10.asp

"The glow plugs may remain "ON" for up to 120 seconds while the engine is running to reduce exhaust emissions during engine warm up."
 
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Old Feb 20, 2006 | 06:00 PM
  #18  
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Originally Posted by clux
They will stay on while the engine is running. Right here from international's web site:
http://www.international-engines.com.br/manual_i/powerStroke/cap_a10.asp

"The glow plugs may remain "ON" for up to 120 seconds while the engine is running to reduce exhaust emissions during engine warm up."

Only for the first 2 minutes after the engine has been started.Going down the highway at 65 MPH,the glow plugs do not come on.
 

Last edited by blueeyes2478; Feb 20, 2006 at 06:03 PM.
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Old Feb 20, 2006 | 06:02 PM
  #19  
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Thank u Clux...I'm bowing out of this thread.

Nut
 
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Old Feb 20, 2006 | 06:03 PM
  #20  
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Unhappy

Doesn't 120 seconds still equal 2 minutes??
 
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Old Feb 20, 2006 | 06:04 PM
  #21  
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blueeyes2478
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yep!!!!thats what im am saying lol
 
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Old Feb 20, 2006 | 06:04 PM
  #22  
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Originally Posted by blueeyes2478
Only for the first 2 minutes after the engine has been started.Going down the highway at 65 MPH,the glow plugs do not come one.
Depends on how soon you can get her up to 65.
My pickup has no problem getting there in 2 minutes, don't know about yours.
 
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Old Feb 20, 2006 | 06:05 PM
  #23  
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Originally Posted by clux
Depends on how soon you can get her up to 65.
My pickup has no problem getting there in 2 minutes, don't know about yours.

LOL yeah but you wouldnt do it when the engine is cold right???
 
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Old Feb 20, 2006 | 06:06 PM
  #24  
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If I have a bad GPR and it's cold enough to worry about it, than NO I certainly would not be @ 65 MPH in less than 2 minutes. That's just TRUCK ABUSE!! Let her sit there and warm up.
 
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Old Feb 20, 2006 | 06:07 PM
  #25  
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Just about every morning.
I've never been a believer in letting a rig set and idle.
 
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Old Feb 20, 2006 | 06:14 PM
  #26  
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Originally Posted by rdstroker00
can a bad gpr cause bad fuel milleage?
RDSTROKER00,
If you have a bad GPR and you drive like CLUX than yes you will have bad fuel mileage...Otherwise the anwer to your question is no.
 

Last edited by turbostroke; Feb 20, 2006 at 06:16 PM.
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Old Feb 20, 2006 | 06:14 PM
  #27  
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and you think those 2 minutes that the glow plugs are on that you are lossing MPG.If you do,it cetainly is not going to be noticable.
 
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Old Feb 20, 2006 | 06:17 PM
  #28  
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We`re Gonna Have To Set Up A Steel Cage Match Soon For This Thread
 
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Old Feb 20, 2006 | 06:17 PM
  #29  
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Agreed, it's not going to be a measureable differencein fuel mileage.
Especially if you drive like me.
 
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Old Feb 20, 2006 | 06:19 PM
  #30  
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THANK YOU! Group hug everyone?? You too PSNut.. get over here!!!
 

Last edited by turbostroke; Feb 20, 2006 at 06:21 PM.
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