Should I Delete My Diesel? The Truth about Diesel Emissions

Should I delete my Diesel? Why do a diesel delete? Are you the owner of a new diesel or trying to decide if your new truck will be gas or diesel? Stick around, you are going to want to see this!!

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Today on the Real Deal at Insane Diesel, we are going to talk about “Deletes”. That includes EGR Delete, DPF Delete, SCR Delete. It's all about Emissions.

Diesel Trucks are very useful and becoming more popular, usually because they get better gas mileage than a gas engine, have greater towing power, and the engines are far more durable. But whether you are new to diesels or are simply considering getting a newer model, you are going to have to deal with the new emissions controls.

This may leave you with questions like: what the heck is Diesel Exhaust Fluid? What is Re-gen? And likely the really great question on your mind is probably:

Should I delete them? Or, how do I get them deleted?

[AirlineAviator]

What a great explanation. First time I’ve had the new emissions explained. Favorite quote, (paraphrased) “Sometimes the government fix is worse than the original problem”. Perfectly said.

[Flaaaaanders]

I did mine after struggling the five years while on warranty. No problems since, sounds awesome and works, starts no problem

[larryarmstrong]

I'm with the group that thinks this was a very informative video. You did a good job of explaining what each new part does to a diesel engine and why the engineers really aren't coming up with any good solutions.

[curveball]

I'm disappointed you only have two videos. Please film some more. You're actually one of the most knowledgeable people on YouTube talking about diesel

[davidmattice]

I've been a diesel mechanic for 30++++years. And i work for a school bus company at present time and these emissions on the new diesels are my nightmare!

[secretsquirrel]

My 2011 F350 opted to identify as a 1969 F100. I argued with him but he wanted the operation. So it no longer has a DPF between its wheels or an EGR under its bonnet. Since then he feels like a new man. Better fuel mileage, no black smoke, and can pull the Titanic off the ocean floor with a long enough chain. I’m glad he opted for this new lifestyle because it works well for me too.

[Psalm-]

I knew most of this but you did a really good job explaining it. A picture is worth a 1000 words.

[johnbuck]

Deleted dpf on my 09 Cummins increased mileage from 14 to 20 plus I get 14 towing a heavy trailer now when I got 9 before it’s a tremendous mileage boost to delete

[ksdavey]

Deleted my 2010 Ram 3500 one month after I bought it, 9 years later and 300, 000 kms, best thing I ever did. Better fuel economy, more pulling power, no DPF issues. Full delete, but guess what, every 20, 000 or so kms, a 'service exhaust system soon' message comes up on my dash. A timed message from the manufacturer no doubt so they can suck you into spending some more money at their shop. I have never brought my truck in for any emissions or exhaust work since it was deleted, so that is a scam for sure.

[richard]

I wonder who makes the def fluid, and how much they've been donating to political candidates.

[ModernCountryLiving]

Lots to learn in this. But, there are some misconceptions. I owned a 2012 Ford 6.7 that I drove stock until 38, 000 miles. Then deleted. I also own a stock 2018 Ford 6.7. 
1.) The reduction in fuel mileage during regeneration occurs infrequently. On my 6.7 Ford it's roughly every 500-600 miles. It regenerates for 12-24 miles depending on driving conditions. Otherwise, the engine is not using extra fuel to regenerate.
2.) I deleted a power stroke and put over 60, 000 miles on it. I track every fill up with miles driven and fuel added. I gained less than 3/4 mpg overall. So, maybe there are folks who can take a snapshot of 100 miles driven at 55 mph on flat ground and see something significant....but show me the data...several thousand miles driven before and after delete with gallons consumed. And no, I am not one who hammers on vehicles. I am not saying a mpg increase can't happen....I am saying that when I go on websites about mpg and also look at my own results, there wasn't enough increase in fuel mileage to justify the cost of the delete. Check out Fuelly.com and my super duty seems to hit right in the average for other vehicles.
3.) The different strategies to raise the exhaust temperature CAN have an effect on engine oil....but so can an injector that fails open. I've put over 70, 000 miles on non deleted 2012 and 2018 super duties and have every oil change sent for analysis. No oil dilution problems. Thus, the emission system is not negatively impacting the motor.

4.) Coking can occur with the EGR system, correct. I believe a lot of these issues have been mitigated with newer strategies. Early model diesels with the emissions systems suffered from myriad issues. Today's diesels have far fewer incidents.
5.) There is a real difference in what comes out the tailpipe. I am not a fan of black soot and while it may be a heavy particle, it does cause visible problems and health issues.
Things I liked about my deleted truck: Whistle of turbo, peace of mind with knowing I wouldn't have sensor problems. Things I didn't like: exhaust smell, no warranty.
Thanks for sharing the video and information. Your explanation of the exhaust components was great!

[blakekuhlmann]

breaking news: actual mechanic sh!ts on government regulations for 12 miniutes.

[Chris-jydm]

This guy really knows what he’s talking about I’ve been undecided 🤷‍♂️ for a while, now I’m going to get my car DPF, EGR deleted. Great tutorial info

[shaynereay]

Great explanation of diesel emission controls. You are 100% correct that the cure is worse than the disease when it comes to engine emission controls. I have noticed the same with gasoline engines as well, although the gains from deleting the emission controls on a gas engine are nowhere near as significant as they are on diesel engines. I have long thought that the environment would be better served if regulators focused more on efficient combustion verses emission treatment. Great video. Well done.

[dkozicky]

My '08 cat C13 mileage increased 40% after deletion. Blew my mind...

[TheGreenNewSteal]

I’d like to take a moment to recognize the peanut gallery with their perfect sound effect timing.

[charliecuaron]

What a great job explaining these systems and their pos/negative effect. One of the easiest to understand on this topic I have seen.

[mevio]

I saw you when you threw the marker and I drank the fluid before you told me not to. Besides these inconveniences, I appreciate your quality content. The corporations are trying to kill the Diesel engines, because these engines have a longer life, consume less, have more torque and are more efficient. Diesel is way less pollutant than many of the factories, pesticides on the crops, chemicals in our food and weapons testing. Maybe no more than petrol engines. I love Diesel.

[SouperAsH]

This video should be mandatory viewing for any committee, involved in clean-air legislation.

[reltub]

If there is any way for the government to mess up things for the public, they will.