What does LTFT 7% mean?
#1
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What does LTFT 7% mean?
I have been talking about my P1688 in another thread when someone mentioned after seeing my freeze frame that i have a LTFT 7%, why is that good or bad? also asked if i had any mods. I have everything stock. here is my freeze frame again, if someone with greater knowledge can explain pls. I am totally a dum *** when it comes to technical issues.
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#3
Metatron
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Long....
It means long term fuel trim, and that is the "rough" tune the car uses for cold starts, before the closed loop feedback starts varying the STFT.
7% seems fairly normal, mine was reading 30% when I had a small vacuum leak.
S
7% seems fairly normal, mine was reading 30% when I had a small vacuum leak.
S
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