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https://greendieselengineering.com/product/grand-cherokee-ecodiesel-wk2-tuning-performance-fuel-economy/

The CCV system is garbage on this engine and lets oil mist blow by, which is sucked back into the clean air duct just before turbo compressor. You will find quite a bit of oil in the bottom of intercooler, some of that blows back into intake manifold, then mixes with egr soot to create a black...

We met our national NOx targets for air quality way back in 1995 for the 24-hour limit of .053 ppm and 1-hour limit of .1 ppm. All the EPA regulations since that time have further reduced NOx at the cost of raising CO2 about 20%. CO2 is the main driver for climate change...EPA is technically...

That is the same disclaimer all the tuners used, for off-road racing usage only. It did not stop EPA from going after GDE. At least GDE tunes reduced CO2 by 18%, the rest of the tuners tend to increase emissions as they have no idea what they are doing.

The swirl ports are used during FTP75 test cycle. Intake throttle is used on all the EPA test cycles. EGR is also used on FTP75, HWFEC, US06 and SC03 test cycles. Where did your information come from EPA that it is not emission relevant? I would like to see that and take EPA to task.

How is Banks still allowed to sell an intake that deletes emissions? Rules change based on how much one greases the government?

We are working on it, you will receive a new file when the changes are ported over to your software basis. Thanks for your patience.

Give GDE a call or send an email today. FCA has a learning correction for the mass air flow sensor on GEN2 engines. They did not implement this on the GEN3 platform. As engine ages, the correction tries to simulate an ideal engine, which seems to lead to P026D and P026C codes on many...

https://greendieselengineering.com/product/grand-cherokee-ecodiesel-wk2-tuning-performance-fuel-economy/

That is why I replied, his answer was misleading as it was not related to a Gen3 Ecodiesel. Gen2 and Gen3 are completely different for hardware and calibration.

FYI, the OP is asking about Gen3 ecodiesel, 2020-2023 model years. A completely different PCM and vastly different powertrain than what is in teh Gen2 ecodiesel 2014-2019. The Gen3 tuning works very well!

Rules for thee, but not for me. I get it. Stock up on ammo.

SFT and MRT have CARB approval to legally sell in California?

This will be like buying a new truck and it will run much cleaner than factory. https://greendieselengineering.com/product/ram-1500-ecodiesel-tuning-performance-fuel-economy/

Who did the tuning? That is what most likely lead to the engine failure. The delete tunes on Gen3 ecodiesel are made by clueless people. Most are just turning off egr and def and sometimes dpf. There is high pressure and low pressure egr on this engine. Turning off the egr effectively...

Not well, but we sell tunes for the 2019 that are properly matched for that configuration. Give us a call.

The engine oil is dirty due to poor combustion in the cylinders. A portion of the soot leaks past the rings. EGR is a separate circuit and will clog intakes with a dirty tune like factory.

Factory tune does a regen every 50-150 miles depending on drive cycle. What is your drive cycle like? If all city, then it will regen about every 100-230 miles with GDE tune. The driving style makes a big difference. It is not much different than our old tune, maybe you want to eliminate the...

VM and Fiat Powertrain are working on the Gen 4 version of this engine now. If they do not change the block, than all is a mute point. VM has been pushed more toward the Mercury boat line and more on the industrial side. You can cost the parent company 1.5 billion and continue like nothing...

The new tune is a combo engine and trans tunes with one OBD flash tool to install both. Works very well!