Question about Hyundai Motor 2002 Elantra
P0121 - Throttle/Pedal
Position Sensor/Switch A Circuit Range/Performance Problem
The throttle position sensor is probably either damaged, dirty, unplugged, or dead. It's located on the engine. Find the throttle body - the TPS will be the little box on the side of the throttle body - it measures how far open the throttle is, and tells the computer so the computer knows how to direct the car's driving parameters (shift points, fueling, etc).
Posted on Jul 29, 2008
I have no solution just yet but for those who do not know there is two throttle sensors the tps an the app sensor then there the speed controller cable ...
Posted on Sep 28, 2012
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