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  #1  
Old 07-11-2018, 05:01 PM
treeroot treeroot is offline
 
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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, 05:17 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, 05:20 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, 05:36 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, 05:38 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, 06:49 PM
treeroot treeroot is offline
 
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figured it out.
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  #7  
Old 07-11-2018, 08:06 PM
sako1 sako1 is online now
 
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Maf???
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  #8  
Old 07-11-2018, 08:28 PM
Tfng Tfng is online now
 
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Quote:
Originally Posted by sako1 View Post
Maf???
Obstruction in the intake?
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  #9  
Old 07-11-2018, 08:38 PM
Marten1576 Marten1576 is offline
 
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Quote:
Originally Posted by treeroot View Post
figured it out.
Cough it up ! What did you do?
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  #10  
Old 07-11-2018, 08:55 PM
treeroot treeroot is offline
 
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Turbo sucked up a paper towel into the EGR. I couldn't believe when I idled it for 30 seconds it had that much suction.
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  #11  
Old 07-11-2018, 09:15 PM
spoiledsaskhunter spoiledsaskhunter is offline
 
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Quote:
Originally Posted by treeroot View Post
Turbo sucked up a paper towel into the EGR. I couldn't believe when I idled it for 30 seconds it had that much suction.
lol!.....first thing I was going to ask is "are your shop towels accounted for?"
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Old 07-12-2018, 05:34 AM
artie artie is offline
 
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Quote:
Originally Posted by treeroot View Post
Turbo sucked up a paper towel into the EGR. I couldn't believe when I idled it for 30 seconds it had that much suction.
thanks good information I can see that happening to me.
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