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Grumpy Bear Senior Enthusiast

Grumpy Bear

Posted
Posted (edited)
9 hours ago, customboss said:

Surprised the expert of all things underbody @Grumpy Bear didn't comment. 

 

 

Nothing to comment on. It was screwed and he fixed it nicely. 😉 

Edited by Grumpy Bear
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ShamrockShooter
ShamrockShooter

Well. Gals and Gents this topic was started for people who want to like or appreciate a new innovation. It will be a lot more fun to keep the negatives for another forum topic.   Yes it's a new engi

InertiaFaze
InertiaFaze

My latest 2.7T fuel economy numbers.....   400 mile AVG 29.1 mpg life of vehicle (11111.1 miles) 22.7 mpg

i82much
i82much

now they just need to make a turbo 6.2!

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fondupot Senior Enthusiast

fondupot

Posted
Posted

Got the fuel injector flow rate recall programming done this morning. So far no noticeable difference in how the truck drives. Idk what the programming even did to be honest. It was free though. 
 

As for the waste gate actuator TSB. They said my truck has the latest ECM software and there’s no update that needs to be performed. Even though my truck made the goosehonk screech when I turned the engine off after I pulled in the service bay. Lol. Oh well. 

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customboss Senior Enthusiast

customboss

Posted
Posted
8 hours ago, fondupot said:

Got the fuel injector flow rate recall programming done this morning. So far no noticeable difference in how the truck drives. Idk what the programming even did to be honest. It was free though. 
 

As for the waste gate actuator TSB. They said my truck has the latest ECM software and there’s no update that needs to be performed. Even though my truck made the goosehonk screech when I turned the engine off after I pulled in the service bay. Lol. Oh well. 

Well take a look at my oil analysis data from 5700 miles on RLI, first run. While it used a qt its protecting very well and MAYBE its cleaning capability will help PCV/CCV sucking of oil out the tailpipe after its burned. 

 

I ordered two more cases after these results above. 

  • 1 month later...
fondupot Senior Enthusiast

fondupot

Posted
Posted (edited)

CEL popped up yesterday on my 2.7L when I was 2 hours from home it was a solid light, so I wasn't too worried. Truck seemed to run fine.

 

When I got home I ran the code and it came up as P0420 - Catalytic Efficiency Low. I figure all that oil consumption is starting to clog up the cat. Right under 118,000 miles.

 

I cleared the code and will see if it comes back, if so it may be time for a a new catalytic converter.

Edited by fondupot
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customboss Senior Enthusiast

customboss

Posted
Posted
3 hours ago, fondupot said:

CEL popped up yesterday on my 2.7L when I was 2 hours from home it was a solid light, so I wasn't too worried. Truck seemed to run fine.

 

When I got home I ran the code and it came up as P0420 - Catalytic Efficiency Low. I figure all that oil consumption is starting to clog up the cat. Right under 118,000 miles.

 

I cleared the code and will see if it comes back, if so it may be time for a a new catalytic converter.

crap that sucks 

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silveradosid Senior Enthusiast

silveradosid

Posted
Posted

fondupot that is the same code and i had an air flow code when the fine oil separator failed . it is on the back of the engine and a pain in a$$ to change, but i would change it first, a cat is not cheap and the separator is under a 100 bucks. nothing to loose but some time

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silveradosid Senior Enthusiast

silveradosid

Posted
Posted

i should add that 3 months before i fixed the problem i was using a quart every 1k miles and was fighting GM to fix it. the last 3 weeks before i finally got the part that GM said was not available i was using a quart every 600 miles, so my cat got drowned. it has been 30k miles since i fixed it and the codes never came back. check your freeze frame data, for me it always set the code at 45 to50 mph and around 1400 rpm, as soon as i let off the gas it would trip the code and it would only do it at that speed

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customboss Senior Enthusiast

customboss

Posted
Posted
27 minutes ago, silveradosid said:

i should add that 3 months before i fixed the problem i was using a quart every 1k miles and was fighting GM to fix it. the last 3 weeks before i finally got the part that GM said was not available i was using a quart every 600 miles, so my cat got drowned. it has been 30k miles since i fixed it and the codes never came back. check your freeze frame data, for me it always set the code at 45 to50 mph and around 1400 rpm, as soon as i let off the gas it would trip the code and it would only do it at that speed

Thank goodness I have never had that code. My ring seal must be optimized. 

 

@silveradosid  what is your oil consumption now post repairs and some time on the odo? 

silveradosid Senior Enthusiast

silveradosid

Posted
Posted

i am back to using a quart every 4500 miles, which is when the olm is at 40 percent. it has been this way since i bought it. i still have oil leaking out of the pipe that comes from the turbo to the after cooler. i have always changed the oil at 40 percent anyways. i did this on my 2014 and my son drives it now with 210k miles. oil is cheap repairs are not even if you can do it yourself

customboss Senior Enthusiast

customboss

Posted
Posted
4 minutes ago, silveradosid said:

i am back to using a quart every 4500 miles, which is when the olm is at 40 percent. it has been this way since i bought it. i still have oil leaking out of the pipe that comes from the turbo to the after cooler. i have always changed the oil at 40 percent anyways. i did this on my 2014 and my son drives it now with 210k miles. oil is cheap repairs are not even if you can do it yourself

Absolutely and thank you. I use about a qt in 5000-6000 depending on oil base and formula.  Its seems Mobil1 and Amsoil Signature series use less. 

 

Delo 10w30 no zddp used less but it was inadequate for lower wear rates and its GRP II+ base oil so it tends to leave a deposit. 

 

 

customboss Senior Enthusiast

customboss

Posted
Posted

PS I have 70,000 miles almost now and had a emergency where I drove the truck up and over La Veta pass on US 160 in Southern CO averaging 85 mph hitting 100 mph limit over and over and trans temp never above 210F running Amsoil ATF. This is at 8000' msl to 10,000 msl where once you get heat in that turbo it ain't releasing. I was in 4x4 last 15 miles and drove 70 mph sideways on snow, sand, rock to house.  Hasn't used a drop of RLI 5w30 in 1500 miles so far this change. 

silveradosid Senior Enthusiast

silveradosid

Posted
Posted

i don't know why but where i am in canada RLI oil is double the price of mobile 1. i just but a 6 pack and filter from the dealer, it cost me 64 bucks canadian to do an oil change, and doing it at 40% on the olm it doesn't have time to break down, i hope

customboss Senior Enthusiast

customboss

Posted
Posted
2 hours ago, silveradosid said:

i don't know why but where i am in canada RLI oil is double the price of mobile 1. i just but a 6 pack and filter from the dealer, it cost me 64 bucks canadian to do an oil change, and doing it at 40% on the olm it doesn't have time to break down, i hope

It's shipped up there from Ohio and its customs BS costs.........sad 

fondupot Senior Enthusiast

fondupot

Posted
Posted (edited)
On 11/16/2024 at 8:31 AM, silveradosid said:

fondupot that is the same code and i had an air flow code when the fine oil separator failed . it is on the back of the engine and a pain in a$$ to change, but i would change it first, a cat is not cheap and the separator is under a 100 bucks. nothing to loose but some time

 

Interesting. Is on the back of the engine? I found the procedure on my ALLDATA account and boy it looks like a doozy.

 

Whats the part number for that? For whatever reason I can't find it on my ALLDATA account. Is it this?https://www.gmpartsdirect.com/oem-parts/gm-positive-crankcase-ventilation-oil-separator-12722131?c=Zz1lbWlzc2lvbi1zeXN0ZW0mcz1lbWlzc2lvbi1jb21wb25lbnRzJmw9MSZuPVNlYXJjaCBSZXN1bHRzJmE9Y2hldnJvbGV0Jm89c2lsdmVyYWRvLTE1MDAtbHRkJnk9MjAyMiZ0PWN1c3RvbSZlPTItN2wtbDQtZ2Fz

 

Truck has an appointment Monday to go to my shop for a further diagnosis. I tried CataClean and reset the code. It stayed off for about 300 miles, then came back on this morning.

 

 

Here's a screen shot from my ALLDATA procedure.

========================================================================

Oil Separator.png

Edited by fondupot
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