what is your maf calibration with adjusted afr........please help.....
what is your maf calibration with adjusted afr........please help..... can anyone send me their maf calibration table if you are running hp tuners.... i am trying to run 13.1 - 1 also if you could send your ve tables..... i am not wanting to toss them at my car i just wanting them to compare to see if i am in line with the route i am going....hahha i need help lol
Every car is differnt, even stock. What direction are your tables headed? There's no one table I could send you that would make it dead on 13.1 @ wot w/o real world tuning.
Last edited by SmokingWS6; Dec 24, 2005 at 10:08 PM.
TECH Enthusiast
Joined: Jan 2003
Posts: 582
Likes: 0
From: Birmingham, AL
I adjusted my MAF table and I've got a 226 cam. You're welcome to see it if you'd like for comparison. I tuned it with a wideband.
*EDIT* Actually I just realized mine probably won't help you much since I have an aftermarket maf.
*EDIT* Actually I just realized mine probably won't help you much since I have an aftermarket maf.
Originally Posted by SmokingWS6
Every car is differnt, even stock. What direction are your tables headed? There's no one table I could send you that would make it dead on 13.1 @ wot w/o real world tuning.
please send i will try ..... it will give me a starting point...
slipmagracing@yahoo.com
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You don't want to mess the MAF around unless you have
reason to believe it's no longer stock physical configuration.
I would suspect you'd have a fuel trim problem that's making
WOT additionally enriched, due to the cam (VE) and headers
(VE, mistrimming from cold O2s). Do not know how far you
may have pushed into that thicket. But if you see positive
trims at lower RPM, lower MAP then I would forget about the
MAF until the rest of it gets right. Especially if it's never seen
the business end of a Dremel, or tasted the oily delights of a
wet sponge filter.
reason to believe it's no longer stock physical configuration.
I would suspect you'd have a fuel trim problem that's making
WOT additionally enriched, due to the cam (VE) and headers
(VE, mistrimming from cold O2s). Do not know how far you
may have pushed into that thicket. But if you see positive
trims at lower RPM, lower MAP then I would forget about the
MAF until the rest of it gets right. Especially if it's never seen
the business end of a Dremel, or tasted the oily delights of a
wet sponge filter.
thats what i needed to know.....i couldnt understand why some people told me to adjust maf calibration...because then you are just trying to fool the pcm......didnt make sense....so i just need to adjust my ve....i logged now i am tryin g to figure out which way to go with it.....?
TECH Enthusiast
Joined: Jan 2003
Posts: 582
Likes: 0
From: Birmingham, AL
I originally thought the same thing...why adjust the MAF if it hasn't changed? Well, obviously something changed... If the MAF table is good, you should be able to set your PE table to a 12.9 a/f across the board, and at WOT, you should be able to get a 12.9 a/f (assuming fuel trims are negative) since the PCM uses the MAF only here, right? My car was going way lean at WOT. I adjusted the MAF table accordingly. I'd like to hear more about this. I read through a huge topic recently about why/why not to change the MAF table. Never was really explained good as to why it needed adjusting, but the census seemed to be that it did. 
