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Reload Thread: anyone disable the afm on their chevy??

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    NASTY08IMPALA's Avatar
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    Icon14 anyone disable the afm on their chevy??

    Jus wondering how u did it ..custom tune ?? handheld programmer ..my impala has this bs and when it shuts down from 6 to 3 cylinders it also slows down the belt which lowers alt charge to 13.1 ..i need to diable this ...any ifo will help guys ...also its a 2008 impala 3.9







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    Re: anyone disable the afm on their chevy??

    you will need HPTUNERS. I have this done on my 05 GXP. Helps save on the burning oil also. You could prolly contact zzp, will at overkill motorsports. PRolly around a 100 to have it tuned and core charge.




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    Re: anyone disable the afm on their chevy??

    Quote Originally Posted by jteske88 View Post
    you will need HPTUNERS. I have this done on my 05 GXP. Helps save on the burning oil also. You could prolly contact zzp, will at overkill motorsports. PRolly around a 100 to have it tuned and core charge.
    I was trying.to find out.if someone local with a tuner could jist disable.it thru my obd2 port instead of.payin for. a whole tune ..esp if i wana ever go back to factory




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    Re: anyone disable the afm on their chevy??

    Quote Originally Posted by jteske88 View Post
    you will need HPTUNERS. I have this done on my 05 GXP. Helps save on the burning oil also. You could prolly contact zzp, will at overkill motorsports. PRolly around a 100 to have it tuned and core charge.
    Also how much gas mileage diffrence is.there really?




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    Re: anyone disable the afm on their chevy??

    some ppl say they notice, i lost maybe a 1mpg if i do the actually math, it all comes down to how you drive. And only way to get rid of it with out check engine light is to have it tuned. im sorry man.




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    Re: anyone disable the afm on their chevy??

    Quote Originally Posted by jteske88 View Post
    some ppl say they notice, i lost maybe a 1mpg if i do the actually math, it all comes down to how you drive. And only way to get rid of it with out check engine light is to have it tuned. im sorry man.
    Do u gota send out for a tune? or do any local speed shops do ?? i seen people turn them off with handheld programmers turning it off




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    Re: anyone disable the afm on their chevy??

    Quote Originally Posted by jteske88 View Post
    some ppl say they notice, i lost maybe a 1mpg if i do the actually math, it all comes down to how you drive. And only way to get rid of it with out check engine light is to have it tuned. im sorry man.
    What are the ways of it being done with the ck engine light on...if.thats alot cheaper that light doesnt bother me that much




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    Re: anyone disable the afm on their chevy??

    See if you can find one in the area, that should do it.

    https://www.superchips.com/Store/tab...x/Default.aspx




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    Re: anyone disable the afm on their chevy??

    Quote Originally Posted by CaddieJapan View Post
    See if you can find one in the area, that should do it.

    https://www.superchips.com/Store/tab...x/Default.aspx
    Yea i guess if no one knows a way to trick it ill have to research these chip and pcm conpanies




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    Re: anyone disable the afm on their chevy??

    There isnt gonna be another way other than chip or tune



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    Re: anyone disable the afm on their chevy??

    Quote Originally Posted by cdc351jeferson View Post
    There isnt gonna be another way other than chip or tune
    Ive heard as long as.the cel is on it wont kick on ..and someone unplugged secondary oil sensor up by intake which wouldnt let afm work ..idk. lol sounds sketchy




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    Re: anyone disable the afm on their chevy??

    If its in the software need to reprogram it chevy won't make it easy to make their engine more efficient lol



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    Re: anyone disable the afm on their chevy??

    Quote Originally Posted by NASTY08IMPALA View Post
    Ive heard as long as.the cel is on it wont kick on ..and someone unplugged secondary oil sensor up by intake which wouldnt let afm work ..idk. lol sounds sketchy
    i agree, sounds like a bad way to "trick" the computer into not engaging the afm, almost like bypassing the vtec switch on a honda which will lead to issues.. If you chip/tune it im sure you will not regret it esp if you end up selling it in the future to a private buyer instead of a dealer. and if it is a dealer i couldn't imagine it would deminish the value any. I have a friend with an impala that is a little older then yours and he had it chipped with an onboard programmer that allowed him to change the tuning on the spot from say, conservative for mpg to "hold da F on!" i'll ask him if it did anything to the afm or not.




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    Re: anyone disable the afm on their chevy??

    Yea but if the check engine lights on it disables all afm ..jus need to find something to unplug that wont affect performance lol




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    Re: anyone disable the afm on their chevy??

    Quote Originally Posted by southernboom88 View Post
    i agree, sounds like a bad way to "trick" the computer into not engaging the afm, almost like bypassing the vtec switch on a honda which will lead to issues.. If you chip/tune it im sure you will not regret it esp if you end up selling it in the future to a private buyer instead of a dealer. and if it is a dealer i couldn't imagine it would deminish the value any. I have a friend with an impala that is a little older then yours and he had it chipped with an onboard programmer that allowed him to change the tuning on the spot from say, conservative for mpg to "hold da F on!" i'll ask him if it did anything to the afm or not.
    yea they didnt have afm on the older ones...i dont wana do this for performance or speed i only want my voltage to stay up thats it ..when afm is engaged belt slows down and voltage drops to 13.1




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