Check the MAF. it sounds like the computer thinks there is more air flowing through the intake than what really is and is adding fuel to the mix to compensate.
It has to be replaced. no adjustments.
The Throttle Position Sensor is conneceted to the end of the Throttle Shaft inside the Throttle Body. P.S. The Throttle Position Sensor is part of the Throttle Body and must be replaced as a unit. Hope this helps ya.
The throttle position sensor is actually apart of the throttle plate actuator assembly and must be replaced as a unit.
The throttle position sensor determines the amount of throttle used when the engine is running at various speeds. If the sensor is faulty, it can be replaced by ordering a new part.
it may be the mapsensor makin it run rough like that.. or either u need to adjust the throttle
It's part of the throttle body, entire unit must be replaced.
How can you repair the throttle position
The Throttle Position Sensor (TPS) is located in the throttle body a the end of the shaft opposite the throttle cable attachment. Some are permanent / no serviceable. Some can be replaced and with a little ingenuity/skill, even the permanent can be replaced as there are replacements available for all year models.
The function of a throttle position sensor is to monitor the position of the throttle in an internal combustion engine.
The throttle position sensor is in the throttle body.
The OBD code p1221 indicates a bad throttle position sensor. Sometimes cleaning the throttle body will clear this code. If that does not work the sensor will need to be replaced.
The throttle position sensor is located on the throttle body at the end of the throttle shaft.