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1999 Chevrolet Silverado 5.3L with engine code P0121

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1999 Chevrolet Silverado 5.3L with engine code P0121 switch no A, where is this?

Vehicle: 1999 Chevrolet Silverado 5.3L

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P0121 Chevrolet code is for the Throttle Position (TP) Sensor. The TP is attached to the throttle body.

 

1999 Chevrolet Silverado Thrpottle Position Sensor P0121

 

P0121 Chevrolet - Throttle Position Sensor 1 Performance

Read more: https://www.autocodes.com/p0121_chevrolet.html

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