Mild vibrations in the accelerator pedal of my 03 gmc envoy?

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sunny

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To my knowledge it seems like you have broken mount, maybe tune up, how long a go did you do you tune up? If you did 1 year a go than you due for one
 
2003 gmc envoy 4x4 that has a mild vibrations in the accelerator pedal. just started happening about a week ago was wondering if it is anything serious and how much would it cost to get fixed? Thank you in advance
 
possible broken engine mount or transmission mount.also may need a tune up.
 
Sounds like your PPS (pedal position sensor) is starting to fail! About $90.00 for the part and you can replace it yourself, very easy! http://www.autozone.com/autozone/parts/Dorman-Accelerator-Pedal-Sensor/2003-GMC-Envoy-4WD/_/N-jk7bbZ9guhk?counter=0&filterByKeyWord=pedal&fromString=search&itemIdentifier=940660_198232_0_
 
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