03 transmission - Help

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03-10-2009, 08:47 PM

lifisgood

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03 transmission - Help

i have a o3 duramax with 4' silverline exaust and a quadzilla steath 2 tuner and every time i run 135hp more the transmission will lock in 5th gear and stay there. and win i put it back to stock it wount do it.

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03-10-2009, 09:51 PM

uwyo_dmax

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sounds like your slipping the trans and going into limp mode, are you getting any codes or anything.

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03-10-2009, 11:33 PM

2500HeavyDuty

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i limped my transmission within 5 minutes after i got my quad tuner. and i had set it at 135 when i first got it

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