Where exactly would the sensor be?

Question

Issues on accelerating pedal, won't accelerate as much as before.

Answer 1

HI there

This code is for the throttle position sensor. This is mounted to the side of the throttle on top of the intake manifold. If you have electronic throttle, then in most cases the entire throttle body must be replaced.

P1120 GMC - Throttle Position Sensor 1 Circuit

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