Ecm p-0121 -
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Unread 04-06-2013, 11:22 AM   #1
Registered User
1998 ZJ 
Join Date: Jan 2013
Location: Bonner Springs, KS
Posts: 118
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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