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Old Sep 24, 2008 | 05:10 PM
  #1  
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Smoke?

I've had my PSD now for 4 months. Runs great, haven't had any issues (except the needle bearing killing my axle). Noticed about a week ago that it started smoking at start up. Never did it before. What is causing this? Should I be concerned? Thanks for the help.


Chad
 
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Old Sep 24, 2008 | 05:12 PM
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what color smoke are you seeing? Is the truck difficult to start at all?
 
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Old Sep 24, 2008 | 05:16 PM
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No, it starts as usual. The smoke is white...maybe with a hint of blue.
 
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Old Sep 24, 2008 | 05:16 PM
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From: Tupelo,Ms
how cold is it when you start it?
 
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Old Sep 24, 2008 | 05:18 PM
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70F roughly
 
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Old Sep 24, 2008 | 05:20 PM
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The smoke you are seeing is unburned fuel..

You may have a faulty GPR, or more than just a few bad glowplugs..just a few things to throw out there.
 
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Old Sep 24, 2008 | 06:48 PM
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OK...and that would only cause it to smoke at start-up? It doesn't smoke any other time, just the first start of the day.
 
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Old Sep 24, 2008 | 06:57 PM
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Originally Posted by m0nkee221
OK...and that would only cause it to smoke at start-up? It doesn't smoke any other time, just the first start of the day.
Yes, because that's when it's coldest, and not fully burning the fuel.
 
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Old Sep 25, 2008 | 03:09 PM
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A small amount of white smoke on start up is ok... But if it lasts more then a few sec.s you have a problem... Any chance of an SES light???
 
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Old Sep 25, 2008 | 04:08 PM
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Nope, no light at all.
 
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Old Sep 25, 2008 | 04:13 PM
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I'd bet that since you aren't having any difficulty getting it started, you probably have a few bad glowplugs.

I've never had to change mine out, but this page may help:

Ford diesel 6.9 7.3 IDI

That site is directed as help for the old 7.3 IDI but it explains how to ohm or test light each glow plug to see which ones are malfunctioning.

Edit: another helpful page http://www.intellidog.com/dieselmann/tech.htm
 
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Old Sep 25, 2008 | 05:02 PM
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Awesome! Thanks for all of the input!
 
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