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General how to tune 6g73

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v6venge

Probationary Member
6
0
Jan 7, 2025
Atlanta, Georgia
I have 2000 dodge avenger which has a 6g73 stock i recently did a muffler delete now i am trying to tune the ecu but there is no information as to how. If you don't know please do not comment saying buy another car or that the car is not worth it.
 
If you don't know please do not comment saying buy another car or that the car is not worth it.

We won't do that. However, this site specializes in the cars made between 1989 and 1999 by the Diamond Star Motors factory in Normal Illinois sold as Mitsubishi Eclipse, Eagle Talon, and Plymouth Laser, jointly called DSM's. None have a 6G73 V6 in them.

You might find more on 6G73 ECU tuning on one of the 3000GT/Stealth boards. The use the later generation V6 ECUs to tune with something they call Chrome.
 
We won't do that. However, this site specializes in the cars made between 1989 and 1999 by the Diamond Star Motors factory in Normal Illinois sold as Mitsubishi Eclipse, Eagle Talon, and Plymouth Laser, jointly called DSM's. None have a 6G73 V6 in them.

You might find more on 6G73 ECU tuning on one of the 3000GT/Stealth boards. The use the later generation V6 ECUs to tune with something they call Chrome.
on google it says that this car was made in the same factory during those times it has 2 trims with 420a and a 6g73 is my car not dsm?
 
on google it says that this car was made in the same factory during those times it has 2 trims with 420a and a 6g73 is my car not dsm?

They built several different cars at that factory including Mitsubishi Galant, Dodge Avenger, Dodge Stratus, and Chrysler Sebring but only the three I mentioned are DSM's. Today Rivian builds vehicles there.
 
There exist universal options for you as well , stand alone ECUs.
1) the ones you buy as a finished product $$$$
2) the ones you assemble - hit copy/paste in code $

They both require you to cut your harness or make an adapter.

Personally I’m a fan of your car, nice pic.
Always was , to bad they didn’t come in different configurations like DSMs.

My Cluster is from avenger and many peoples interiors come from that car too.
 
There exist universal options for you as well , stand alone ECUs.
1) the ones you buy as a finished product $$$$
2) the ones you assemble - hit copy/paste in code $

They both require you to cut your harness or make an adapter.

Personally I’m a fan of your car, nice pic.
Always was , to bad they didn’t come in different configurations like DSMs.

My Cluster is from avenger and many peoples interiors come from that car too.
how would one go about doing option 2

They built several different cars at that factory including Mitsubishi Galant, Dodge Avenger, Dodge Stratus, and Chrysler Sebring but only the three I mentioned are DSM's. Today Rivian builds vehicles there.
according to founder ludachris these cars are dsm aswell many parts on my car like the brakes and coilovers are for the eclipse

he says it here https://www.dsmtuners.com/threads/the-dsm-car-debate-what-is-a-dsm.59717/
 
Ok, whatever you win. I'm at a loss as to why you keep arguing with me? We are not going to ban you for being here nor disparage your car.

I tried to point you to a place where you might find some information oriented to your desire to tune your ECU.
 
there are no feelings involved I am in the pursuit of knowledge I'll use 3si for engine related queries and this for the rest
 
Where did he say the 2000 Avenger was a DSM?

The last DSM was the 1999 Mitsubishi Eclipse, and even then it wasn't technically a DSM since the collaboration fell apart years earlier, regardless of how utterly gorgeous the car is LOL
The last Avenger to have the DSM namesake anywhere on it was in 1996. In 1995 it all came to a close and MMMA was born after.
 
according to founder ludachris these cars are dsm aswell many parts on my car like the brakes and coilovers are for the eclipse

he says it here https://www.dsmtuners.com/threads/the-dsm-car-debate-what-is-a-dsm.59717/
Actually, I never said that your car is a DSM. If you read that post, you'll see I specify the "Mitsubishi Eclipse, Eagle Talon, and Plymouth Laser (as well as the Galant VR-4 for a a couple of the early years)". We primarily focus on the BD and PJ platforms from the DSM partnership. Your car is considered an FJ platform, but is still part of the larger DSM family of platforms, just as the Mitsubishi Mirage/Dodge/Plymouth Colt/Eagle Summit sedans, the Mitsubishi Galant are.

With all that said, it doesn't mean you can't try and get help for your car here, just keep in mind what Steve mentioned; since the FJ platform cars are not the focus of this website, there might not be too many members here that are familiar with your car's platform. But some might be, so it doesn't hurt to ask questions. You never know. There are a lot of interchangeable parts between the platforms, just like some of the 3S platform shared some components with DSMs. The 2G and the Avenger/Sebring share a lot of components.
 
Actually, I never said that your car is a DSM. If you read that post, you'll see I specify the "Mitsubishi Eclipse, Eagle Talon, and Plymouth Laser (as well as the Galant VR-4 for a a couple of the early years)". We primarily focus on the BD and PJ platforms from the DSM partnership. Your car is considered an FJ platform, but is still part of the larger DSM family of platforms, just as the Mitsubishi Mirage/Dodge/Plymouth Colt/Eagle Summit sedans, the Mitsubishi Galant are.

With all that said, it doesn't mean you can't try and get help for your car here, just keep in mind what Steve mentioned; since the FJ platform cars are not the focus of this website, there might not be too many members here that are familiar with your car's platform. But some might be, so it doesn't hurt to ask questions. You never know. There are a lot of interchangeable parts between the platforms, just like some of the 3S platform shared some components with DSMs. The 2G and the Avenger/Sebring share a lot of components.
Sensei I have read the post I am referring to when you stated "There will always be a debate on whether or not a non-4G63 DSM is actually considered a true DSM, as most of those cars were fitted with a Chrysler engine (outside of the convertibles). As far as this website is concerned, those are still DSMs. The same goes for the 1995-1999 DSM cars, which some will also argue are not "true" DSMs, since Diamond Star Motors was no longer in business when those cars were sold. The reality is, the tooling used to build those cars came from the DSM collaboration, so again, on this website, we do consider them to be DSM." however this is a non issue I will refer to 3si for engine related issues moving forward
 
He's referring to the 2Ga and 2Gb Talons/Eclipses that have the Chrysler-sourced 420As and their accompanying transmissions. The N/A 4g63 existed at the time, but they decided instead to have two chassis lines and change one enough to accomodate a opposingly-placed engine and trans.

Really, the last DSM that was accurately holding that name was produced sometime in 1993 before the partnership dissolved.

IIRC, the 420A also nearly ended up in BMWs of the same era had Chrysler not backed out of that particular proposed partnership. Don't quote me on that but I seem to recall that tidbit.

Sensei.. now that's actually not a bad title for Chris.
 
Sensei I have read the post I am referring to when you stated "There will always be a debate on whether or not a non-4G63 DSM is actually considered a true DSM, as most of those cars were fitted with a Chrysler engine (outside of the convertibles). As far as this website is concerned, those are still DSMs. The same goes for the 1995-1999 DSM cars, which some will also argue are not "true" DSMs, since Diamond Star Motors was no longer in business when those cars were sold. The reality is, the tooling used to build those cars came from the DSM collaboration, so again, on this website, we do consider them to be DSM." however this is a non issue I will refer to 3si for engine related issues moving forward
You’ll probably find more people on 3si that will know your engine. You’ll probably find some info here about the interior and maybe some chassis since the 2g DSM shares a lot with the FJ platform if I remember correctly.
 
I can't recommend a particular set up since I never made it to the tuning aspect of my 6g73 swapped 2G Eclipse, but what I can tell is that the ECU is very similar to all other 90's Chrysler ECU. Meaning it cannot be tuned by you. I could start blabbing about the mystic Mopar reflash software that exists somewhere, but you'll never get your hands on a copy, much less the original. You pretty much need a standalone ECU. Something that you can plug into and make adjustments remotely. Bottom line, there is absolutely no available hardware or software that will allow you to tune your ECU.

But in terms of how your vehicle compares to the vehicles this site focuses on, it is very similar to the 2nd generation Eclipse & Talon. Also the 90's Sebring. They all have interchangeable interior, suspension, and drivetrain parts to some degree. The chassis are almost the same but with different fascia design and options. Sometimes I see a stripped down Avenger at the yard and think it's a 2G DSM but get proven otherwise when I move closer.

If you switch it over to run on the 98-99 Mitsubishi ecu and sensor setup it is flash tunable. I have no info on the mopar stuff.

This may be an option as well.


 
i recently did a muffler delete now i am trying to tune the ecu
Are you trying to tune ECU because you deleted the muffler? If so, IMO it's not worth spending money for that.

Or if you are planning to tune to gain some differences by tuning ECU then why don't you start from playing with a piggy back style device that allow you to tune at least fuel trim, would be better if it can adjust ignition timing, such as Apexi SAFC, GReddy E-Manage, E-Manage Ultimate or something like that. Those are way far from standalone ECUs but at least you can learn how the things work and you can see differences. In the worst case scenario, you can go back to the stock easily by just disconnecting it. In the future, if you would find yourself liking to go deeper, then go with a standalone.
 
Are you trying to tune ECU because you deleted the muffler? If so, IMO it's not worth spending money for that.

Or if you are planning to tune to gain some differences by tuning ECU then why don't you start from playing with a piggy back style device that allow you to tune at least fuel trim, would be better if it can adjust ignition timing, such as Apexi SAFC, GReddy E-Manage, E-Manage Ultimate or something like that. Those are way far from standalone ECUs but at least you can learn how the things work and you can see differences. In the worst case scenario, you can go back to the stock easily by just disconnecting it. In the future, if you would find yourself liking to go deeper, then go with a standalone.
I want to know how to tune the ecu for multiple modifications i plan on doing. i'm going to do full straight pipe so i need to do o2 sensor delete and what not. also i want to do egr delete amongst other things. I have flexfuelpro with has standalone fuel management but i don't think i am able to do the other things I need through there
 
Not sure how to help you beyond what has been said. Your factory ECU is not tuneable. You will need to replace it with a unit or system that is tuneable. If you want advice and guidance on how to do that, we can't begin to help you until you actually get a new EMS. Each system operates and is tuned differently. Even when you get a new EMS, you are looking at luck to find someone on this forum who has experience with that system AND your engine.

If you have a basic understanding of how the EMS/ECU works with a car's sensors, I recommend studying up on what you want out of your car and begin researching the different EMS manufacturers that will provide for your needs. Feel free to ask specific questions on here, but you are rolling the dice to see if anyone on this forum has the experience on your engine to answer your question.

If you are new to tuning, I recommend you mine the articles and posts on here as they will give you an awesome education into the basics of tuning principles. Ask general tuning questions and we will answer. Then once you have the fundamentals down you can move up to doing targeted research.
 
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