My TPS reads 84% at wide open throttle. Ran a scan several times and each one comes up with TPS 84%. The Desired Throttle area is set for 100% throttle at 100% and 54% to 73% at 81% throttle. Has anyone run into this problem? The truck is a 2011 Sierra 1500 4X4. It is supercharged. Would like to get 100% throttle. Checked the pedal travel it is completely clear of any obstruction.
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