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.
Trouble code P1221 means: ETV MTR FB
DTC P1221 code is: Excessive Difference Between Throttle Position Sensors which means there is something wrong with the electronic throttle positioning sensor system, probably needs replaced
P1221` throttle position sensor
Trouble code P1221 means:Throttle position (TP) sensor 1-2 correlation
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