Hey Scotty, I just got the ANCEL AD410 Scan tool from amazon, and i have a few questions about how to interpret some of the data. The car is a 2000 3.8 Camaro, 102k, auto. Both bank STFT is between +/- 2% at idle, and gets pretty close to zero, but the LTFT seems like it wants to jump around abit more as I hit the gas, both when driving and when at idle, i thought this was supposed to be the other way around? The car runs great I just got this scanner to understand cars and computers better, kinda for fun. The timing advance seems very consistent, varies by about .5 degrees at idle, which is probably just the resolution of the scanner. MAF was about 5.8 g/s @ 750 rpm. 02 sensors were showing good voltages. What are some key things you look at, and can someone explain why my long term fuel trim may seem more sensitive than short term? Thanks a bunch
-Nick, PA
I wouldn't really worry about that what matters is how stable it is when you're idlinger once you get to a certain speed and go the trims go all over the place as you accelerate or decelerate that's normal in any vehicle
