log ?

Jasondt2001

New member
May 3, 2008
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Salinas, Ca
All I see is scrambled grey squares on my dashboard... I wonder if efilive is messed up on my computer - it works for my truck...
The only thing I see that was selected PID wise was "throttle position" but I see N/A.

Were you black box logging only throttle position? If so select the TP_A I believe it was.
Mike @ MMLMM taught me that.:hug:
 

racinmike77

New member
Sep 14, 2008
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MD
It doesnt work for me, do I have to unzip the file or something? I have more trouble with scanning and logging than anything.
 

lotsofmiles

Father of the Van
Dec 4, 2008
3,097
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Michigan
everyone says h20/meth advances timing.

will it show in the log?

i ran on the eway as level ground as i could find then turned on the meth.

does anything change in the log file where i turned it on?

i know when i turned it on, but i dont see any sign of it. but i'm a rookie too.
 

Jasondt2001

New member
May 3, 2008
373
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Salinas, Ca
I don't THINK it works like that... Meaning that we tell the ECM what timing to put where in the software tables of efilive before we upload it to the ECM to command the parameters we ask of it...

Outside changes IE - water meth I don't think it will read because there's not a sensor for the timing like a gasser... the timing from how I understand it on the diesel is in a simplified 2 step process... the timing actually starts it by telling it when to fire the injector, and then commands how much mm3 to spray by using the pulse width.
So the third step you added with the water/meth it has no idea about... it's mechanically doing it, but, electronically it has no idea...
So if we changed something in the cylinder the computer can't 'see' it to show it in a log...

With that said - keep in mind I'm learning too; so If i'm dead wrong, go easy on me :rofl:
 

racinmike77

New member
Sep 14, 2008
1,029
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MD
I don't THINK it works like that... Meaning that we tell the ECM what timing to put where in the software tables of efilive before we upload it to the ECM to command the parameters we ask of it...

Outside changes IE - water meth I don't think it will read because there's not a sensor for the timing like a gasser... the timing from how I understand it on the diesel is in a simplified 2 step process... the timing actually starts it by telling it when to fire the injector, and then commands how much mm3 to spray by using the pulse width.
So the third step you added with the water/meth it has no idea about... it's mechanically doing it, but, electronically it has no idea...
So if we changed something in the cylinder the computer can't 'see' it to show it in a log...

With that said - keep in mind I'm learning too; so If i'm dead wrong, go easy on me :rofl:

You are correct. EFI live will only show what the truck injects, it has no idea that there is water being injected.
 

LBZ

Super Moderator
Staff member
Jul 2, 2007
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B.C.
You need one of Fingers' fancy pants cylinder pressure testers-it would indicate a raise in CP and possibly show an advance in timing in the form of an early raise in pressure-that is if I understand how they work correctly.....