Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

please help

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Old Nov 27, 2011 | 10:49 PM
  #1  
shipps's Avatar
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Joined: Nov 2011
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Default please help

i just checked my codes and im getting a 42 can anyone help please i have a 94 6.5 turbo

i need to figure out how to fix it asap
 
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Old Apr 26, 2012 | 12:12 PM
  #2  
cviola2005's Avatar
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Joined: Apr 2012
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From: Clarkrange, TN
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DTC 42 - Fuel Temperature Circuit Low (High Temp)

sorry i cant help more than that
 
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Old Apr 26, 2012 | 06:17 PM
  #3  
ebarresi5894's Avatar
Diesel Wrench
Joined: May 2011
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From: Rehoboth, MA
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fuel heater problem, most likely, try unplugging and plugging back in the PMD too
 
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