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Could someone help me with understanding these numbers?

K

kamuletoe

New member
I've read that the fuel trim in double digits it bad, as well as the knock retard I'm seeing. I've seen it hit 6.0 at WOT. This is a gtp with only a custom intake from the thread in this forum. How bad are these numbers I'm seeing? Should I be really concerned? What should I look into fixing to get these numbers better? Fuel filter/o2 sensor?

Thanks as always guys!Screenshot_2013-03-15-19-16-13.jpg
 


If your car is stock 6* of KR could be likely. When you took that screen shot was that at idle? Your fuel trims don't look to bad if it hits 16.4 and stays there that is bad. Remove the MAF reading and check timing advance instead.
 
slick2500 said:
If your car is stock 6* of KR could be likely. When you took that screen shot was that at idle? Your fuel trims don't look to bad if it hits 16.4 and stays there that is bad. Remove the MAF reading and check timing advance instead.
Click to expand...

Mine hits 16.4 and actually stays there.

Just curious, but what is the cause of this, why is it bad?
 
slick2500 said:
If your car is stock 6* of KR could be likely. When you took that screen shot was that at idle? Your fuel trims don't look to bad if it hits 16.4 and stays there that is bad. Remove the MAF reading and check timing advance instead.
Click to expand...

Slick Thanks for the input! I was honestly worried about my car after seeing these numbers lol! I have changed the MAF reading to the Timing Advance reading. What should I be checking for with these numbers?

Fivefingerdeathpunch said:
That boost reading is wrong, you have to read the MAP in/hgs to see what your vacuum and boost are at.
Click to expand...

5FDP Thanks for letting me know! I knew it didn't seem correct, but what the heck do I know!? Just to be sure I'm having it read correctly I went into Settings>Units>Don't display psi as in/Hg has NO check mark in it.

Dan I hope you get yours figured out! Your sig pic looks like you have a nice setup!

You guys are great thanks!
 
I assume that's the torque app I didn't know it had Kr. Never found it on the list of display options. Oh well I've got an aero force on the way

Sent from my SPH-L710 using Tapatalk 2
 


DanPrixGTP said:
Mine hits 16.4 and actually stays there.

Just curious, but what is the cause of this, why is it bad?
Click to expand...

Depending on whether it's + or - 16.4 you are either maxing out the fuel you can throw in your car or pulling a bunch. Yours could be from your dieing fuel pump Dan.
 
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