why dont my fuel bank #'s match??

Predator support for GM gas vehicles

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beefcake
Posts: 29
Joined: Wed Jan 27, 2010 1:01 am

why dont my fuel bank #'s match??

Post by beefcake »

So i have playing with my fuel trims, but bank 1 is 3 points lower than bank 2. Is this normal? What causes this.

EX Bank 1 4.69
bank 2 1.69

Thanks
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06MonteSS
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RE: why dont my fuel bank #

Post by 06MonteSS »

yeah, they won't be exactly the same... no worries...

just make it so the lowest value isn't more than -2.xxx....
06MonteSS / DiabLew Tune
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ALK
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Post by ALK »

I have also asked this question in the past and after Monty's reply am even more confused. I thought the way to set the trim was to add bank one to bank two and divide by two to get a average. Then adjust this average number. In this case (+1.69) + (+4.69) = +6.38 divide by two = +3.19. I assume then he would adjust this number by -4.00 giving him a -.81 results. But then the individual banks would be -2.31 and +.69. Monty, could you please enlighten us?
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06MonteSS
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Post by 06MonteSS »

right... so then the individual banks would be correct... the lowest one is at -2.31 ... so it's right in that 0 to -2.xx range... good to go ;)

doesn't matter if that other bank is still a little positive...


use DSLogRedux... it does all the work/calculating for you...
06MonteSS / DiabLew Tune
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2014 Camaro SS - 2SS, RS pkg., short-throw shifter, NPP perf. exhaust, BMR strut-tower brace, Cold Air Inductions cold air intake
www.diablewtune.com -- www.diablocustomtune.com -- www.diablocustomtunegm.com -- www.diablocustomtuning.net
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