Search found 34 matches

by bigbadspoon
Thu Mar 14, 2013 3:51 pm
Forum: FlashPro Manager
Topic: Long-Term Fuel Trim "Valleys"
Replies: 8
Views: 4765

Re: Long-Term Fuel Trim "Valleys"

Also, I forgot to say in the last post, I really appreciate you taking the time to look at this with me. I'm totally stumped, and I've mentioned it to some people at work and they said they haven't seen this before. I'm sure you guys get inundated with stuff like this all day, and from the posts I h...
by bigbadspoon
Thu Mar 14, 2013 3:48 pm
Forum: FlashPro Manager
Topic: Long-Term Fuel Trim "Valleys"
Replies: 8
Views: 4765

Re: Long-Term Fuel Trim "Valleys"

I could see that having an effect with a MAP-based tune if the fuel curve were not smoothed out, but I'm still using the AFM, so there shouldn't be any huge disparities between cells like that. Changes I have made from the AFM values included in the reflash that came with the software (and those are...
by bigbadspoon
Thu Mar 14, 2013 3:43 am
Forum: FlashPro Manager
Topic: Long-Term Fuel Trim "Valleys"
Replies: 8
Views: 4765

Re: Long-Term Fuel Trim "Valleys"

Right, I understand the LTFT follows the STFT. What I do not understand is why they are going low like that. If you check out the "to work" datalog, on the same road, same calibration, going 65, my STFT is hovering around 0%. LTFT is as well.
by bigbadspoon
Wed Mar 13, 2013 4:06 pm
Forum: FlashPro Manager
Topic: Long-Term Fuel Trim "Valleys"
Replies: 8
Views: 4765

Long-Term Fuel Trim "Valleys"

Lately, I have had this weird thing going on in my data logs, where the LTFT will slowly dip down to -10% (takes about 10 miles), then rise back up to 0% (after about another 10 miles). The weird thing about this is that say, after I flash in a new calibration, it will hover around 0 for well over 6...