Ltft's
Thread Starter
TECH Apprentice
Joined: Dec 2005
Posts: 314
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Ltft's hey guys, i was wondering if anyone could help me out. when i reset my ltfts using my hp tuner software, is that all im resetting? or does it reset my primary ve tables to a basic or "stock" number? im just trying to get a better grasp of what all is being reset..
TECH Enthusiast
Joined: Mar 2003
Posts: 618
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From: San Diego
LTFTs are learned fuel trims, or adjustments based on narrowband o2 readings to adjust part throttle driving to 14.7 af/r.
When you reset them, basically you are zeroing out all the learning so it can start learning all over again. If you change VE/MAF tables, then you reset the fuel trims so it can start learning fresh off the new values instead of learning off the old learned values.
When you reset them, basically you are zeroing out all the learning so it can start learning all over again. If you change VE/MAF tables, then you reset the fuel trims so it can start learning fresh off the new values instead of learning off the old learned values.
