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    2009 gmc sierra sle

koooch27's Achievements

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  1. I have a 2009 sierra with a bad limp mode issue. I have in exact order changed the tps sensor, foot pedal sensor, had it reprogrammed at the dealership, new throttlebody installed and reset engine grounds all to no avail. Where do i look next?. any help would be awesome, the limp mode when activated has almost gotten me in a few accidents already.
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