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1994.5 - 1997 7.3L Power Stroke Diesel  

Fluttering Boost Gauge?

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Old Sep 28, 2010 | 08:52 PM
  #16  
FARM69's Avatar
FARM69
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From: Kearney, Nebr
I've noticed that mine starts to fluttered around 15 lbs and quits around 23 lbs. Once I get it above 25.

However, I notice that my fuel gauge needle starts to fludder once I break 30 lb boost. Lol.
 
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Old Sep 28, 2010 | 08:55 PM
  #17  
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desertrat64
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my truck wont even hit 20 when i towed a 9,000lbs toy hauler
 
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Old Sep 28, 2010 | 10:01 PM
  #18  
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cleatus12r
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From: Reed Point, MT
Originally Posted by desertrat64
my gauge does the same thing and i have replaced all the connections and it still flutters over 10psi anyone know what it is
Read the post directly above yours.
 
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Old Sep 28, 2010 | 10:53 PM
  #19  
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desertrat64
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ya ok so how do i fix it
 
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Old Sep 29, 2010 | 07:12 AM
  #20  
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cleatus12r
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From: Reed Point, MT
You don't. It's normal.

The Super Duty trucks don't exhibit this issue nearly as often because there is a ton of intake system used as a buffer that absorbs the small amount of pressure fluctuation.

Unless you add an intercooler, you will never have a hope in getting the "problem" fixed.
 
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Old Sep 29, 2010 | 09:51 AM
  #21  
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MagKarl
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From: Olympia, WA
Originally Posted by cleatus12r
You don't. It's normal.

The Super Duty trucks don't exhibit this issue nearly as often because there is a ton of intake system used as a buffer that absorbs the small amount of pressure fluctuation.

Unless you add an intercooler, you will never have a hope in getting the "problem" fixed.
Mine has never fluttered, before or after I installed my IC. I'd say fluttering is the exception, not the rule.

I'd suspect a pinched or kinked line somewhere. You might try 1/8" copper tubing if you're using plastic. It's available at most hardware stores and much easier to work with.
 
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