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I have the same truck and will be buying the same wideband shortly, so I am curious to see what the answer is.
One a seperate note, where did you put the wideband? I was thinking I could replace one of my front O2 sensors with it right?
tunes please?
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Interesting, I have never seen that before. Might want to ask the question to support.
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I don't think you need the EGR to be enabled to read the input but I may be wrong as I haven't had to run the WB in through the EGR input.
yeah, I thought it just was for diagnostic tests, but I always use the interface.
I don't think you can log EGR on trucks, I remember reading about it over on performancetrucks.net
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Ok so thats a log with the stock operating system?Quote:
Originally Posted by pfidr34
Can you send support that log, a log with the EXACT same config with the custom operating system applied, the stock operating system .hpt file & the custom operating system .hpt file and a link to this thread.
Thanks,
Bill
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I guess I was confused because you are using a SD enhanced tune VS a maf enhanced tune. I have allways been told to use the op system you will drive with every day and do the SD tuning within that system. Rock on brother. Sorry for the confusion on my part.
No you don't. Fail the MAF in the factory OS, tune the VE, then tune the MAF. If you plan to run the MAF, why go with the SD OS? If you plan to go with the SD OS, then fail the MAF, tune it with the original OS, then swap it over.
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i have this exact same problem. I asked a question about it a few months back with no replies. For the stock file, you have the option to enable the EGR (even if the truck didnt come with it) and i have had the wideband working in this way the whole time, however when i went to go 2-bar as i am FI, the option to enable the EGR is no longer there, and therefore my wideband through EGR signal will not work. Im hoping this is something that can be added in a future release as i would like to tune my truck in 2 bar, but it also makes me wonder how those vehicles that actually have EGR are holding out with these custom OSes.
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See post 12. and check in with support.
Was there ever a resolution to this issue? I just ran into the same problem.
The later LS1 pcm's don't have enough room for the additional tables, since egr is already disabled in the later operating systems it was deemed expendable so we used that space to add our os mods, so its either 1,2 and 3 bar support or being able to log a wideband through EGR, we chose to add custom operating system support.
since only some trucks came with a transmission temp gauge,but the sender was in all transmissions,those pins on the pcm could most likely be used.you'll have to check your wiring pinout.
I think I found a solution. I put the fuel tank level sensor (instead of EGR) on a switch with my wideband on the other end. Only difference is now I just have to remember to flip the switch before logging and know I have enough fuel before hand. I really didnt want to mess with the AC system since it gets pretty hot here down south.
I couldnt get it to work correctly using the fuel level sensor so I went to the AC pressure instead, seems to work ok.
Not meant to hijack.. I have a 98 fbody a4 ecu, it apperas to be in 2 bar map mode, do we NEED to add egr voltage to the table view in order to log EGR (wideband afr) ?
Mine says "24" then "this vehicle only supports 24 bit operations" or something along those lines...what is up with that?
Is this the HPtuners taking up all the left over space on the ecu for mods? Can I somehow get rid of the 2 bar programming? I'd really apprecaite if I could datalog properly wide wideband! :)
I know this is an old thread but I just stumbled across this after wiring my wideband to work through the egr. The car is a 99 fbody p01 controller. Am I understanding this correctly, there's no way to enable the egr so the wideband will function?
I have a 2002 that should have the same PCM as the 1999.
EGR is not used on the 2002 Camaro's, but the EGR pin 55 on the blue PCM can be used as an analogue input for the wideband.
When I set mine up, if I recall correctly, originally it did not receive the WB signal until I enabled the EGR and zero'd the table.
There are basically two math formulas for converting the AEM WB from volts to AFR, depending which vintage gauge you have.
post the tune. depending on the OS you may be able to use other pins.
Attachment 124631
This is the tune. I just don't see a way to enable the function.
Go to the exhaust tab, under General enabled, change from Disabled to Enabled. Attachment 124639
Yeah it's not there on mine. Can it be segment swapped? I'm pretty green on how those work.
Attachment 125091
Go to system, General tab. Open systems Options. What file are you starting with?
They took away the ability to turn on/off egr with later updates of hptuners. If you go back to using the version of hptuners that came with the mpvi2 on the flashdrive, the button will be there again. I had two different versions on my computer and found that out. Post your file and I'll change it for you and send it back. You still won't be able to see the button though, unless you get an older version.Quote:
Originally Posted by kyotey1693
Interesting, I'm still using 4.10.7.
Thanks man! I had no idea that would work.
Attachment 125189
Attachment 141736
Hello, are you able to enable my egr in my tune file as well so I can use my wideband o2 to log, thank you!
Try this. Not 100% sure I got it right.Attachment 141770Quote:
Originally Posted by xsocaltrashx
I am running 3 bar Speed Density tune and after wiring into Pin 55 Blue I cant see the Voltage. Like the others I can not Enable EGR?Quote:
Originally Posted by gametech
Attachment 144565
Try this. No guarantees.
Thanks, I actually remembered that I had a 2020 HPTuners thumb drive and deleted the new software and installed the 4.7.8 version. EGR Enable/Disable button re appeared ha. So thats the hack to fix the issue.
Attachment 144590