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Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > ZJ Grand Cherokee Forum > Ecm p-0121

Dana 30 Truss for your TJ, LJ, ZJ, and XJFS: 2007-2013 Jeep Wrangler "HALO" Angel Eye KitFS: Wranger BRIGHT License Plate LED! Just $3! Great value

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Unread 04-06-2013, 11:22 AM   #1
snappyjoe
Registered User
1998 ZJ 
 
Join Date: Jan 2013
Location: Bonner Springs, KS
Posts: 117
Ecm p-0121

hello all. check eng lite came on last nite after my jeep started bucking when i hit the gas pedal. pulled the code and it says Throttle pedal position sensor.
switch A circuit range/ performance.
so does this mean that i would have to replace this switch? i drove it home fine last nite after it sat for and hour. help!!! lol, thanks

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