Truck runs like crap, and blow black smoke - Chevy and GMC Duramax Diesel Forum
06-07 LBZ & LLY Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

 
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post #1 of 7 (permalink) Old 10-21-2019, 11:01 PM Thread Starter
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Truck runs like crap, and blow black smoke

2006 LBZ Hi guys, I turned my truck back to stock, and I was suppose to drop it off at my techs shop tonight, however, the truck has different plans. I turned the truck back to stock, and now I’m having huge issues. Put the EGR, UP pipe, and a stock exhaust back on. I also removed the EDGE programmer. Now the truck has a P0101, P0102 and a P0299 code. I can’t hear the turbo spool at all. I already changed the MAP sensor with two (NEW) different sensors.......

The night before I took the truck around the block, and I punched it a little and heard a pressurized loud noise. The rubber boot that connected to the turbo popped out... I reinstalled it, and now the truck is giving me huge issues. I’m waiting on a tow truck now, but any suggestions would help.
Thanks guys
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post #2 of 7 (permalink) Old 10-22-2019, 04:09 AM
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The 1st two are MAF codes, not MAP codes.
Did you plug it back in after having the intake apart?

Also, that white wire running under the resonator and across your CCV hoses leading to the boost sensor on the Turbo (and in the area of the coupler that blew loose).
That's an easy one to damage/stretch when dealing with stuff up top, and would account for the lack of boost.

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post #3 of 7 (permalink) Old 10-22-2019, 08:55 AM Thread Starter
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Your right, they are MAF codes. I did delete the codes after each install, and the codes came back. The while wire does look fine, but I will double check that wire when I get the truck back. I had it towed to a Duramax shop. It’s just weird that the truck is running so bad after Turing it back to stock.
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post #4 of 7 (permalink) Old 10-22-2019, 01:33 PM
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Stock or aftermarket intake?

06 LBZ CCSB
With some stuff.
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post #5 of 7 (permalink) Old 10-22-2019, 02:18 PM Thread Starter
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After market KNN. I just put in a new filter.
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post #6 of 7 (permalink) Old 10-23-2019, 07:11 AM
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Quote:
Originally Posted by CaliDude View Post
After market KNN. I just put in a new filter.
Might not be your problem, but a lot of people have issues with oiled filters due to the oil coating the MAF sensor. Might be worth cleaning your MAF and swapping to a dry filter and see if that corrects your issue.

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post #7 of 7 (permalink) Old 10-23-2019, 09:30 AM
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Quote:
Originally Posted by CaliDude View Post
After market KNN. I just put in a new filter.
K & N can cause issues just waiting to happen, if you search issues with K & N on a Duramax you'll find a lot, same issues as your having.
The big problem with K & N is its only 4 layers of media which allows more airflow than the stock MAF calibrations allow.

More airflow going thru allows the oil to easily get sucked thru as well which causes MAF problems.
This is critical and easy to over oil these filters causing your issues, oil with caution.
With your tuning probably changed the MAF to allow a little more airflow, when you took out the tuning you also decreased the maf calibration.

I've known several that had no issues at first with K & N refused to believe me that they will, usually within one year they start having these problems, the filter thins out oil easily gets sucked thru.

They offer a sock for these filters which would reduce the flow a little and maybe trap some of the oil.
One thing to consider (and this is fact) K & N oil will destroy the MAF sensor especially if it gets on it and burns.
AFE oil will not destroy the MAF (self proven and claimed) or cause issues like your having, I will only use K & N air filters on NON turbo engines the additional airflow being pulled thru from a turbo with a K & N doesn't hold up very good.
I only use AFE oil on all of my aftermarket airfilters.

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