datalogging

[Spln_Hrd]

i am new to it which sensors should i turn on when i am logging? what do i need to look for?

i was doing short and long term fuel trim and they didn't do much even at full throttle, what should they be doing?

keep in mind my car doesn't run the best right now, i am trying to figure out what is wrong.

 

[Lucky13]

Since you can't see Knock....go for RPM, Timing, and o2's. Use your long term trims to get an idea how your running at cruise and idle.

 

[Spln_Hrd]

i don't what the long term trim should look like... what should it do and when?

i have a walbro 190 and stock injectors, incase that info would be helpful

 

[5150DSM]

LTFT should be as close to 0% as possible.

 

[SiNiST3R]

Are you sure you dont mean sort term? STFT

 

[5150DSM]

The way I understand it, it would stand for both fuel trims. That method worked to help my friend with his 2G GS-T.

http://www.dsmtuners.com/forums/showthread.php?t=58403 ("Fuel Trims and Low Throttle")

Am I understanding something wrong?

Aloha

 

[Spln_Hrd]

so what the hell am i suppose to look for on long term fuel trim?

 

[dont need 8]

so what the hell am i suppose to look for on long term fuel trim?

From the tuning page linked above:

Keep in mind that in a 1g, a perfect fuel trim is 100%, but in a 2g it's 0%..

 

[SiNiST3R]

The way I understand it, it would stand for both fuel trims. That method worked to help my friend with his 2G GS-T.

http://www.dsmtuners.com/forums/showthread.php?t=58403 ("Fuel Trims and Low Throttle")

Am I understanding something wrong?

Aloha

Read that is tells ya everything.