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  #1  
Old 07-11-2018, 06:01 PM
treeroot treeroot is offline
 
Join Date: Aug 2017
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Default duramax/diesel mechanics?
2006 LBZ.

Truck hesitates, runs rough and blows exhaust at 1100 RPM. Idles fine.


Ran fine until I switched the serpentine belt. I had to take off air box, intercooler tubes to get access to the belt tensioner.

When I put it back together is when it started acting up.
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  #2  
Old 07-11-2018, 06:17 PM
fed fed is offline
 
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Do you remember to plug the mass airflow sensor in?
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  #3  
Old 07-11-2018, 06:20 PM
treeroot treeroot is offline
 
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Quote:
Originally Posted by fed View Post
Do you remember to plug the mass airflow sensor in?
Yup.

One possibility is that the MAF sensor was damaged some how. The only way for me to check this is to buy new one tomorrow.
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  #4  
Old 07-11-2018, 06:36 PM
fed fed is offline
 
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Intercooler line loose cause loss of boost?
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  #5  
Old 07-11-2018, 06:38 PM
treeroot treeroot is offline
 
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Quote:
Originally Posted by fed View Post
Intercooler line loose cause loss of boost?
Took them off and on about 5 times today. Tightened them right down. Everything seems to be fitted properly.

I also checked for cracks/leaks etc.

There's no leaky turbo sound either.


It's like as soon as the trucks RPM's are high enough to call for boost, it doesn't get any and the truck over fuels.
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  #6  
Old 07-11-2018, 07:49 PM
treeroot treeroot is offline
 
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figured it out.
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