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2016 High Country SMOKING, Shame on GM Switching to Ford

gilles81

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Horacio Enthusiast

Horacio

Posted
Posted

Here is the oil my catch can caught. The first mark at the bottom of the cup is when I changed the factory oil at 1138 miles. The top mark is at 5751 miles. That's almost a full cup of oil in that amount of miles.

9c782d5951624f4fc113a05b49cbf135.jpg

 

 

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Barbarrino Enthusiast

Barbarrino

Posted
Posted

I know that I can't prove this but I still question the 4 cylinder deactivation system on these trucks, I had mine tuned and I have 4 friends with Chevy's that had them tuned with the V4 switch disabled and no smoke, no problems at all.

 

I am sure I am about to get blasted because I have no proof but just feels like GM forced this technology.

MUDCVRD Enthusiast

MUDCVRD

Posted
Posted

I didn't experience any AFM issues with any of my trucks but I have read the horror stories. I originally used the Range AFM disabler, but now I use the Bully Dog to deactivate it. I can't remember the last time I saw V4 show up in my DIC.

Ron.s Enthusiast

Ron.s

Posted
Posted

My 2016 has 16M miles, never smokes and uses so little oil it's scary. I had a 2014 and it went two years and nearly 30M with no smoking and phenomenal oil life. Parked in my garage and started in the garage. I've even left it running while I ran back in the house to get something, then held my breath to avoid CO2. Whatever is causing the smoke not all are doing it.

And since it happens at irregular intervals that's evidence against the dealers explanation.

'17 Sierra Enthusiast

'17 Sierra

Posted
Posted

Here is the oil my catch can caught. The first mark at the bottom of the cup is when I changed the factory oil at 1138 miles. The top mark is at 5751 miles. That's almost a full cup of oil in that amount of miles.

 

 

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That is a lot. Which catch can do you use and do you also have the clean side option that hooks up to the air box? I'm wondering if that's even necessary.

Horacio Enthusiast

Horacio

Posted
Posted

That is a lot. Which catch can do you use and do you also have the clean side option that hooks up to the air box? I'm wondering if that's even necessary.

I have the RX Performance catch can. At the time of purchase, there was nothing available for the clean air side, but looking at their website, it appears that now they do. I guess I'll be getting something for the clean side.

Black02Silverado Senior Enthusiast

Black02Silverado

Posted
Posted

If it was over fueled then it would be black smoke. Just like in the old days with carbs and you had the choke on or even a lawn mower, it would bletch out black smoke.

 

Also not to mention if it was putting that much fuel out, then your oil is trashed with fuel and the cylinders are getting a nice wash down every time you start the truck.

 

If you can, take it to another dealer. The one you are working with now isn't doing you any favors. That is definitely not normal and no visible smoke should be coming out of the exhaust. That is the main reason for particulate filters being put on diesels, so you can't see anything coming out of the tail pipe.

sdeeter19555 Senior Enthusiast

sdeeter19555

Posted
Posted

Not necessarily. Over fueling that results in partially combusted fuel is black. Raw fuel sprayed on something hot can be white...just like condensation.

 

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amxguy1970 Senior Enthusiast

amxguy1970

Posted
Posted

A catch can will stop it guaranteed, the magical unicorn of a $300 aluminum can and 0.50 cents of hose cures all oil consumption non problems, the massive 100% of owners who have intake valve coking issues and any that smoke enough to set off alarms inside the house. These awesome unproven devices will promise to stop any issue not present and allow you to open your hood at the local starbucks after discussing the KO2's you just put on and leave the other dads in awe at the race inspired underhood ornament.

 

Stop excessive start up smoke with a catch can :rollin: What can't they do?

 

Tyler

'17 Sierra Enthusiast

'17 Sierra

Posted
Posted

A catch can will stop it guaranteed, the magical unicorn of a $300 aluminum can and 0.50 cents of hose cures all oil consumption non problems, the massive 100% of owners who have intake valve coking issues and any that smoke enough to set off alarms inside the house. These awesome unproven devices will promise to stop any issue not present and allow you to open your hood at the local starbucks after discussing the KO2's you just put on and leave the other dads in awe at the race inspired underhood ornament.

 

Stop excessive start up smoke with a catch can :rollin: What can't they do?

 

Tyler

You are joking, right?

Eddie 70 Senior Enthusiast

Eddie 70

Posted
Posted

You are joking, right?

I've read two of his replies to threads this morning. Both of them are like this.

'17 Sierra Enthusiast

'17 Sierra

Posted
Posted

Catch Can = Snake Oil

 

At least on these trucks

That's what I'm trying to find out...hocus pocus or not. I can see with FI applications but not so sure about NA. Although Horacio's picture above shows quite a bit of oil after 2,000 miles. That's about a quart every 8,000 miles and that's just from blow by.

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