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Inconsistent AFR's with megasquirt 1/2.2


78zstyle

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I don't want to come across as harsh, but you are making it difficult for me to help you.

I assume that the last post was 78zstyle posting from MadMaxDallas' account.

 

I have no idea what "I got my wideband to read correctly now.. I had to mess with the LC 1 output." means. The wideband doesn't "read". It outputs a programmable voltage that the MS, gauge, or other device uses. I still do not know if you have a gauge or if the incorrect AFRs were showing up in the tuning software.

 

I apologize... the graph I showed was not from your log - I edited the post above. The attached graphs are yours:post-250-041081300 1333319283_thumb.png post-250-096117800 1333319283_thumb.png

 

Assuming the wideband is correct, which i doubt, you are rich. You need to fix your grounds.

 

How are you triggering the MS? There is a lot of jitter in the RPM signal.

 

Can you attach your MSQ file?

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I don't want to come across as harsh, but you are making it difficult for me to help you.

I assume that the last post was 78zstyle posting from MadMaxDallas' account.

 

I have no idea what "I got my wideband to read correctly now.. I had to mess with the LC 1 output." means. The wideband doesn't "read". It outputs a programmable voltage that the MS, gauge, or other device uses. I still do not know if you have a gauge or if the incorrect AFRs were showing up in the tuning software.

 

I apologize... the graph I showed was not from your log - I edited the post above. The attached graphs are yours:post-250-041081300 1333319283_thumb.png post-250-096117800 1333319283_thumb.png

 

Assuming the wideband is correct, which i doubt, you are rich. You need to fix your grounds.

 

How are you triggering the MS? There is a lot of jitter in the RPM signal.

 

Can you attach your MSQ file?

 

Yes, you assumed correctly. When I say "Got my wideband to read correctly" I mean I got it to read correctly in megasquirt, I used the software that came with the LC-1 to modify the voltage readout per another user.

 

Triggering RPM's through the coil. My MSQ is attached.. Obviously you know you have to change the file extension to .MSQ.

megasquirt201204011313.txt

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OK. So you re-calibrated LC-1 input to the MS. Which user? What voltage curve? How do you know it is correct? The programmed output curve from the LC-1 has to match the curve in the MS.

You still have not said if you have addressed the grounds. Until you do this, we are wasting time.

If the LC-1 voltage curve was incorrect, the log you provided is useless - definitely need a new log.

 

If you haven't already, I would recommend purchasing tunerstudio and megalog viewer.

 

Sam

Edited by Sam280Z
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