EECTuning.org

The adjustable FPR I bought years ago did the same thing. It would bleed pressure off within a few seconds after the fuel pump was off. This created a longer prime-time to get fuel pressure when cranking. I could not turn the key from OFF immediately to CRANK. If I did, then the starter had to be he...

I'm curious what the difference between setting 3 and 4 are from a controls point of view. I ask because my tune is setup for 3 (one switch) however my truck actually has both a clutch switch AND a neutral switch at the transmission suggesting that maybe I should have this set for 4? Logically the t...

Now that the proof of concept has been proven, what's special about this 2.9L? Has it been internally built/modified that makes it stronger than stock? My truck used to be a 2.9L with the 5 speed manual, and while it wasn't wimpy compared the 2.3L, it couldn't compare to the stock Explorer 5.0L I re...

The first thing that's confusing is why you are getting reving limited to 3k. I don't know of a gas engine of the types we'd be talking about here that would need such a low rev limit which makes me think there's something else going on causing revs to be limited. But assuming changes do need to be ...

...I don't think the sensor can really be moved 30 degrees. That would put it right about at the seam between the pan and block where the castings jut out... At least not with that bracket. However you MIGHT be able to fabricate a bracket that holds the sensor "upside-down" such that the bracket is...

Sounds like you have a plan and a reasonable approach. Of course, there will be issues, mostly likely those will be with solving driveability issues with the tune. Those seem to be the worst. The issues most people struggle with initially are idle and return-to-idle because well if you can't get idl...

jsa answered your question. But I suspect you were hoping for a bit more. But more info would need to be known about what EEC catch code you are working with. If your EEC has support, then we'd direct you to that. Some EEC strategies have multiple developers supporting them. But since we don't know ...

Better format? Pin Ranger Scorpio 1 Keep Alive Pwr Same 2 Brake on/off Empty 3 VSS+ Same, but likely different signal 4 IDM Empty (Added) 6 VSS- Empty 7 ECT Same 8 Fuel Pump Monitor Empty 9 Data Comm - Empty 10 A/C Cycle Same 14 MAF Empty (Added) 15 MAF Sgl Rtn Empty (Added) 16 Ign Gnd Same (but now...

WRT to what I mentioned in the 1st post, I was watching the latest Cleetus McFarland episode where they installed a Heliphant (Demon) Hemi into a modified "mini" TRX. And as part of that install, they installed "unlocked" modules from HP Tuners. So it seems my idea of simply replacing hardware witho...

I had multiple main intentions. One big one is for a device that can replace the stock ECM (and probably also TCM) and allow a tuner to tune the engine however he wishes while responding to the rest of the car as though everything is stock INCLUDING appearing stock to an OBD-II connected emissions t...

Just a follow-up after many many months since I first wrote up the document about the EEC Whisperer. It seems the automotive world got far more complex and modular than I realized. When I was thinking of the EEC Whisperer, I was still thinking in terms that there was a "central brain" of sorts that ...

Are there intentions to develop a datalogging replacement for the QH too?

That would be a far more complex endeavor and probably a fool-hearty one given how old the EEC-IV/Vs are now with dwindling demand. But I would certainly applaud and welcome the effort.

It's been a while since I did this to my tune, but whatever numbers I came up with are still working well today. The main thing I remember about setting my tune up for AC were the values I had to use for AC Adder/Subtractor were SUBSTANTIALLY higher (like 10x higher) than the stock numbers in order ...

Yeah you probably should've led with that story to explain what you were actually fighting. Next you are going to tell us you don't have a backup of the original tune that was put in there nor a way to get them. So, now you need to retune the engine. Refer to all the points I made above about gettin...

If the EEC reverted, this would suggest it was running a non-stock tune at one point. The only way it could've done that is for someone to have chipped the EEC. These older EECs were not programmable without the help of external hardware. The hardware can range from a simple tune-holding chip to a f...

Jon responded and said that he has a script that runs to maintain the site certificate without his intervention. It's evidently something that happens frequently enough that he automated it. Well for some reason, that script was failing to run. He looked into it and fixed whatever was causing it to ...

I noticed just now that FireFox is giving me a security warning about the certificate. My guess is it expired and Jon hasn't noticed to renew it. I wouldn't be surprised if Chrome is just out-right preventing you from viewing the site, while FF just warns, but allows it. It's done this before. I'll ...

There's probably a few reasons why that might happen and those reasons might be different based on the strategy you are running too, so if you could, update your profile signature to detail out what strategy and EEC catch code you are running. It would also help if you could post up a datalog of it ...

The only thing I can think of is that the version of EA is not up to date and the license is for a newer version. But if you are a new customer, it isn't likely you would have an old installer. Clint should be contacting you fairly soon and help you get it sorted out. I'm sure it's something simple....

When you have the ability to make changes to the tune, there's no requirement that the MAF be "calibrated" to a specific size injector. What matters most is that the MAF and injectors are correctly sized to the capacity of the engine they will be used with. Regardless of whether the MAF and injector...

I'm not sure I caught a question in all that. But just looking over your signature, here are my thoughts... Take a stock A9L (or similar GUFB bin) and update it with the following: Update CID (SARCHG in GUFB) Update the MAF curve with whatever MAF you are using Update the Injector Slope/Breakpoint s...

Yeah I know the Classifieds section is not really useful. I don't monitor it, I don't even attempt to keep it clear of spam. At one point, I was using it as a "honey pot" to see if the bots that post spam would just use it instead of posting to the other forums. But no, they post wherever they can a...

If you were looking for a drop-in tune to just work, then yeah it sounds like what you got isn't fitting the bill. However that doesn't mean the entire tune is invalid. Many of the changes made might be absolutely the right thing. It's just a matter of finding out what changes made are NOT working w...

You didn't mention if the engine runs the same with the stock tune in the TwEECer vs the EEC with no tuning device. If those are the same, then you can trust that the TwEECer is serving the stock tune correctly and you thus have identical behavior between the EEC using its internal ROM vs using the ...

Didn't even know they existed

To get the fancy Linux/Java base GUI I would like would require a Cortex A-series, and most likely multi-core and something greater than A72...probably in the A76/78 range. However the realtime stuff could easily make use of a Cortex M-series ASSUMING I was going to control all the AI local to the c...

I didn't know there were videos at all. But in the day of it being easy to make vids for the Internet, I imagine there are a few people willing to re-create those vids, if they are just a matter of showing how to install them, how to wire, etc. Now if the vids are about how to use the software, then...

The motivation here is intriguing and confusing at the same time. This person is interested in shaving weight so badly that they are seriously looking to reduce a few ounces of copper and plastic, but they are still using an EEC-IV to control the engine which is likely of the same era? Is this just ...

I've been watching a lot of Youtube/Tiktok videos about Mechanics and how they diagnose issues with modern day vehicles. As I watch these vids, I realize just how out of date my knowledge and tooling for of modern day vehicle-diagnostics is. But on an episode of Dave's Auto Center, he was diagnosing...

My guess is the most official information is going to be both in the helpfiles of BE (and EA). However those are written very generically and don't include a lot of the learned practices and behaviors that might be shared on forums, tech docs, and FAQs on sites like this. So if you are looking to tr...

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