UCON Flex Advanced Engine Management System

I think it was 60°.
Your run was at much higher outside air temp. I can look at the data later if you want. Just text me a reminder later.

 

Pulled up some logs, all I could find is logs with my old rotrex setup that shows commands at 11.4 at 150ish load.
Without logging how can I see/pull up the intended afr command Scott had set with my current Cal?

 

I dont think you can with our version. We only get the "lite" version so we cant manipulate or see all parameters.

 

Yeah I figured with the “lite” version. If only this knee deep of overnight snow disappears, I can do some logging!

 

So you actually get tuning support with UCON?

Ovtuned here, asking for a friend...

 

Scott is always available for UCON support.

 

Im probably wrong.. but while the commanded AFR is 11.3, it looks like youre at 10.79/10.47, no ?

 

We will see how things pan out with more patience and time, that said my door is always opened for better alternate options if proven and priced right. Initially, before the ucon, I had mentally settled on the haltech elite 2500 and get it locally tuned at a reputable tuning shop that has tuned my FD rx7 and STI here with great success, additionally it would make sense for support to be local and if or when I decided to go turbo it would be best supported in my opinion. However, I discovered Boomslang does not make a pnp harness for 09+ Tacoma’s and I wasn’t ready to hack into the factory harness.
I was waiting for GT7 to give his feedback on the Ovtuned directly in comparison but looks like he’s moved on again. Curious, what are your take on the ovtune so far?

Either way, I’m not ready to give up on the ucon yet, and yes as @jojotoo already stated Scott is usually at your disposable for help.

 

It's a long way 'round, but the harness from the Unichip, can be sent to Boomslang. Then modified to be a plug n play harness for the '09+. I know of a member whom has done such that.

 

Based on what max size injectors the ovtune can control will determine if it will work for me or not. With the 2.3” pulley and running anything smaller than the 800cc and without a 7th likely wont allow me enough head room. Maybe 640’s will work, But too soon to tell, I will have to see after some logs first.

 

I was able to find a shop that was able to build me a harness, given I provided him the connectors required for an estimated $600, or they could provide me a cost effective solution called ‘Ecumaster’ in which they claim was as good as Haltech but cheaper. Considering all things, at the time with costs, time and potential headaches it was just simply too easy to press the buy button for the Ucon Ems.

 

Good eye!

Yeah I saw that but as you move further along in time the afr's lean back out to commanded.

This log was done right after the 640 injector install and new tune so the ecu/UCON was still learning.

 

I still have it. Havent gotten an updated tune yet. Cel still appears for no cats

 

Have you tried the J-style adapters for the sensors?

 

Is that on the ucon or Ovtune?

 

Ovtune

@JacksonTacoma no

 

Hey guys Torspd sent me here. I purchased ninja explosions tacoma about 1 1/2 years ago hence n/es 06. Since I've owned it its been throwing a p0300 code. Occasionally it ....let me just paste this.
Well its been a while since my last update. Im getting at my wits end. I've completely redone the exhaust deleting all cats. I've gone back to the ikh24s gapped to .32", replaced fuel pump, filter and fuel injectors. I've replaced all the 02 sensors, efi relay, fuel pump relay, maf sensor, pcv valve. Since i was basically stage two with the exhaust i went ahead and got a 75mm pully and got in touch with Scott for the programming. He said its burning a bit hot (my charge air was 113) but that was also the temp outside being in Arizona. I haven't done a coolant temp sensor and the thermostat is from 2015 when the kit was installed. Operation temp is normal.
My issue is a missfire. I reset the battery, let the Ultragauge scan and do its thing and fire it up. If i feather the throttle and hold it between 1500 and 2000rpm sitting in neutral the Ultragauge will show pending codes p2198 (bank2#1 obdll stuck rich) and p2241(bank2#1 obdll short circuit). When my check engine light actually comes on the Ultragauge tells me trouble code p0300. Only a couple times has it isolated specific cylinders, most recently was p302 and p304. So i tried to swap coil packs for 2 and 4 with packs 1 and 3 but again its now only saying p0300 and not specific cylinders. Ive got even 180 compression on all 6 and a friend of mine and myself hooked up a manual boost guage to determine its building boost. It is at 8-10 lbs @ around 5500rpm. My friend thinks i should just replace all my coil packs since thats about all i haven't done yet and if thats not it then he thinks its something with my ucon not sending the right signals to the ecu. I've been working my ass off trying to get ready for hunting season. I had plans to head out for four days starting this friday and my registration just ran out today. I tried to run it through emissions last friday but she was rejected do to not enough driving since all this work.
Plus.....while checking the boost i disintegrated my throwout bearing so in the process of all this bs ive managed to get a stage two clutch, heavy flywheel, throwout bearing sleeve repair kit and a core shifter all installed. Everything is complete badassery except this damn missfire.
I need some love....any suggestions.
I posted this while accidentally hijacking a page. I have the uTuneArch v3 installed on my laptop. I have been in contact with urd and we've done a few remote sessions but the ecu is usually cleared and scott isn't detecting a missfire. Tor says i should do a datalog with this program but im having a hard time figuring it out on the laptop. Some clarification in this department would be very helpful, I'm simple lol. And i apologize in advance.

 

To initiate a datalog, you press the space bar.

P2198
https://www.customtacos.com/tech.ol...06toyrm/06toypdf/06rmsrc/rm2006ta/0050053.pdf
P2241
https://www.customtacos.com/tech.ol...06toyrm/06toypdf/06rmsrc/rm2006ta/0050054.pdf

^Read both of those and use a DVOM to do the tests described.

Both of these DTCs point to an electrical problem.

• O2 sensor extension harness defects
• O2 sensor defects
• Stock wiring defects
• Stock ECU connection defect
• Stock ECU internal electrical problem
• Stock ECU software problem
• UCON connection defect
• UCON internal electrical problem
• UCON software related problem

Unplug O2 sensor, use magnifying glass, inspect the pins in the connector on both sides (male and female). Look for corrosion of any kind. Clean connections with electrical contact cleaner. Look for pin drag quality. If the female part is too loose, you will get intermittent errors.

Remove ECU and UCON. Look at the same things as above.

What O2 sensor part numbers are installed? What brand? If the truck came with Denso, maybe make sure you’ve got Denso.

P2198 and P2241 are WRAFs and that is what the UCON and ECU are using to determine how the engine is operating. If the UCON and ECU are being fed incorrect (or intermittently incorrect) data, misfires (p0301,2,3,4,5,6) can happen as a result of it. For this reason, I would focus on p2198/p2241 first.

You said there were cylinder misfires on 2 and 4. Those are coincidentally on the same side as your O2 codes.

 

Y

Your awesome. I will get some info on 02 part #s. They are denso. I had a little confusion a while back as for bank 1 and 2. Got the sides mixed up so my recollection back then is off. However i do know that all signs hhave been pointing to bank 2 driver side. I have swapped #1 extention harnesses driver to passenger to see if it followed but all current codes are bank two driver.

 

Ucon and codes