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What happens if I delete my DEF system?
DEF Delete Just like the DPF, the system will clear out excess soot by going into a regen cycle and using your vehicle’s fuel to burn off and blow out the soot. The DEF can also reduce performance and fuel efficiency but can also cause issues with the system freezing up.
Should I delete DEF system?
Deleting your DEF system can help save you money. Plus, your exhaust might have a bit of a beefier growl once you’re done. DPFs are completely different. Also known as diesel particulate filters, these little buggers are exhaust filters installed in-line on your exhaust system.
Are DEF delete kits illegal?
Myth #1 – Deleting or Tuning a Truck is Legal There is no way around this; it is 100% illegal to tamper with or modify the emission system on your truck in any way. It isn’t a state or local law (although those exist, as well), but Federal law.
What can I use instead of DEF?
DEF is urea or otherwise known as aqueous ammonia. Windshield washer fluid that contains ammonia will do in a pinch.
What are the emissions on a Duramax LML?
The Duramax LML has 4 main emissions systems: the EGR, DOC, SCR, and DPF. An LML “DPF delete” will remove the DPF, DOC, and SCR. Additionally, it will eliminate the need for DEF as well. The only remaining emissions system on your GM truck will be the EGR system.
Should I delete the LML DPF?
The two primary reasons to the delete the LML DPF are for performance gains and reliability. The DPF system is prone to clogging and the SCR has a lot of problems on the early LML’s. Not to mention when these parts break they can cost upwards of $5k to fix and replace.
Does a DPF delete kit remove Def fluid?
A DPF delete kit is a bit confusing because it actually deletes more than just the DPF. An LML DPF delete kit will remove the DOC, SCR, and DPF components. Since the DEF fluid is part of the SCR system it becomes irrelevant and is no longer needed.
Is it illegal to delete data from a truck?
Of course the EPA says that deleting is illegal, no big surprise there. And no dealer is going to do this kind of work on one of their trucks; they are not setup or equipped to handle the work.