1994.5 - 1997 7.3L Power Stroke Diesel  

smoking truck. suggestions?

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  #16  
Old 06-15-2016, 10:33 AM
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Originally Posted by z31freakify
Drive it till it blows, you will be surprise at how long they will go, trust me Im still trying to blow mine.
U got a 7.3
 
  #17  
Old 06-15-2016, 10:37 AM
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Originally Posted by oldbird1965
Do a compression test.
I'm here to learn can u explain how exactly
 
  #18  
Old 06-15-2016, 10:42 AM
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do he blow by test first, takes only 20 seconds with a helper


if it fails then do a compression test with VC removed and then remove GPs and use a 0-800 PSI guage to see which one is low


yes the 7.3 can last a million miles if maintained well
 
  #19  
Old 06-15-2016, 10:46 AM
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Originally Posted by knottyrope
do he blow by test first, takes only 20 seconds with a helper


if it fails then do a compression test with VC removed and then remove GPs and use a 0-800 PSI guage to see which one is low


yes the 7.3 can last a million miles if maintained well
I'll let y'all know soon and that's why I got mine to travel with my family (and to have some fun of course) lol. But I plan on keepin it forever. I'll post pics later one of the cleanest 96s I've seen with the centurion package plan on keeping it forever
 
  #20  
Old 06-15-2016, 10:58 AM
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I bought mine to haul a 5th wheel camper. Post pics when you can
 
  #21  
Old 06-15-2016, 11:33 AM
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No blow by got it all the way up to 4K rpm my buddy said the cap didn't move at all other than the shaking of the motor.









 
  #22  
Old 06-15-2016, 11:43 AM
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Each vave cover has two plugs going to it.
Unplug one then start the truck to see if smoke goes away. If it doesn't shut it off plug that one back in and move to the next till the smoke goes away. After you find what bank is causing it smoke then you can pull the valve cove and unplug the injectors one at a time til you find what cylinder is smoking.
 
  #23  
Old 06-15-2016, 11:45 AM
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Originally Posted by fordpride
Each vave cover has two plugs going to it.
Unplug one then start the truck to see if smoke goes away. If it doesn't shut it off plug that one back in and move to the next till the smoke goes away. After you find what bank is causing it smoke then you can pull the valve cove and unplug the injectors one at a time til you find what cylinder is smoking.
That's a good way to avoid tearing down both banks. I hope it's my passenger bank cuz I'm gonna have to move all kinda **** out the way on my driver bank
 
  #24  
Old 06-15-2016, 11:51 AM
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The only thing on the diver side that has to move is the intake setup
 
  #25  
Old 06-15-2016, 11:54 AM
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Once you remove the intake, it is actually easier to get to and work on than the passenger side though.
 
  #26  
Old 06-15-2016, 11:59 AM
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I'll let y'all know what I find this afternoon thanks for the help
 
  #27  
Old 06-15-2016, 03:12 PM
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Okay so I pulled the main plugs on each bank and it smoked like crazy when I gave it some gas both times. I did notice the driver side plug had a little oil on it but that's normal right?
 
  #28  
Old 06-15-2016, 03:38 PM
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well gas will burn up the diesel fast
 
  #29  
Old 06-15-2016, 03:46 PM
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the plugs will get oil on them, if no change on removing them connectors one at a time and revving engine and still getting smoke, you might have an injector that is dumping fuel too much


finding out which one requires a known good one and lots of swapping injectors unless you have two bad ones.
 
  #30  
Old 06-15-2016, 03:49 PM
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Do you have a way to do a CCT and buzz test ?
 


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